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CVE-2025-69873

ajv · denial of service

CVSS 3.1 2.9 LOWEUVD CVSS 3.1 7.5 CVSS 3.1 · [email protected] · Secondary 2.9 LOWCVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0 · Secondary 7.5 HIGHCVSS 3.1 · 0b0ca135-0b70-47e7-9f44-1890c2a1c46c · Secondary 7.5 HIGHCVSS_V4 Publisher rating MODERATEFixed by ajv 8.18.0Fixed by ajv 6.14.0KEV status unknown
Original advisory

cve-program · CVE-2025-69873

Published

ajv (Another JSON Schema Validator) before 8.18.0 is vulnerable to Regular Expression Denial of Service (ReDoS) when the $data option is enabled. The pattern keyword accepts runtime data via JSON Pointer syntax ($data reference), which is passed directly to the JavaScript RegExp() constructor without validation. An attacker can inject a malicious regex pattern (e.g., "^(a|a)*$") combined with crafted input to cause catastrophic backtracking. A 31-character payload causes approximately 44 seconds of CPU blocking, with each additional character doubling execution time. This enables complete denial of service with a single HTTP request against any API using ajv with $data: true for dynamic schema validation. This issue is also fixed in version 6.14.0.

Read the publisher's advisory

euvd · EUVD-2025-207389

Published

ajv (Another JSON Schema Validator) before 8.18.0 is vulnerable to Regular Expression Denial of Service (ReDoS) when the $data option is enabled. The pattern keyword accepts runtime data via JSON Pointer syntax ($data reference), which is passed directly to the JavaScript RegExp() constructor without validation. An attacker can inject a malicious regex pattern (e.g., "^(a|a)*$") combined with crafted input to cause catastrophic backtracking. A 31-character payload causes approximately 44 seconds of CPU blocking, with each additional character doubling execution time. This enables complete denial of service with a single HTTP request against any API using ajv with $data: true for dynamic schema validation. This issue is also fixed in version 6.14.0.

Read the publisher's advisory

nvd · CVE-2025-69873

Published

ajv (Another JSON Schema Validator) before 8.18.0 is vulnerable to Regular Expression Denial of Service (ReDoS) when the $data option is enabled. The pattern keyword accepts runtime data via JSON Pointer syntax ($data reference), which is passed directly to the JavaScript RegExp() constructor without validation. An attacker can inject a malicious regex pattern (e.g., "^(a|a)*$") combined with crafted input to cause catastrophic backtracking. A 31-character payload causes approximately 44 seconds of CPU blocking, with each additional character doubling execution time. This enables complete denial of service with a single HTTP request against any API using ajv with $data: true for dynamic schema validation. This issue is also fixed in version 6.14.0.

Read the publisher's advisory

osv · GHSA-2g4f-4pwh-qvx6

Published

ajv (Another JSON Schema Validator) through version 8.17.1 is vulnerable to Regular Expression Denial of Service (ReDoS) when the `$data` option is enabled. The pattern keyword accepts runtime data via JSON Pointer syntax (`$data` reference), which is passed directly to the JavaScript `RegExp()` constructor without validation. An attacker can inject a malicious regex pattern (e.g., `\"^(a|a)*$\"`) combined with crafted input to cause catastrophic backtracking. A 31-character payload causes approximately 44 seconds of CPU blocking, with each additional character doubling execution time. This enables complete denial of service with a single HTTP request against any API using ajv with `$data`: true for dynamic schema validation.

Read the publisher's advisory

Affected versions, risk and source history

Exploitation and risk

Source status

CISA KEV lists vulnerabilities known to be exploited. FIRST EPSS estimates the likelihood of exploitation in the next 30 days. An unavailable score does not mean zero risk.

Which CVEs have scores here?

This view includes predictions for CVE identifiers explicitly listed in public NuGet advisories. Microsoft release pages have their own prediction coverage. Check source status for the scope and latest checks.

No exploitation or prediction data is available here for these CVEs. This does not mean they are safe or unlikely to be exploited.

cve-program · CVE-2025-69873

Published

ajv (Another JSON Schema Validator) before 8.18.0 is vulnerable to Regular Expression Denial of Service (ReDoS) when the $data option is enabled. The pattern keyword accepts runtime data via JSON Pointer syntax ($data reference), which is p…

ajv (Another JSON Schema Validator) before 8.18.0 is vulnerable to Regular Expression Denial of Service (ReDoS) when the $data option is enabled. The pattern keyword accepts runtime data via JSON Pointer syntax ($data reference), which is passed directly to the JavaScript RegExp() constructor without validation. An attacker can inject a malicious regex pattern (e.g., "^(a|a)*$") combined with crafted input to cause catastrophic backtracking. A 31-character payload causes approximately 44 seconds of CPU blocking, with each additional character doubling execution time. This enables complete denial of service with a single HTTP request against any API using ajv with $data: true for dynamic schema validation. This issue is also fixed in version 6.14.0.

Source published
11 Feb 2026 00:00:00 UTC
Source modified
14 Sep 2026 12:04:32 UTC
Saved here
23 Oct 2026 15:48:27 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · 2.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

euvd · EUVD-2025-207389

Published

ajv (Another JSON Schema Validator) before 8.18.0 is vulnerable to Regular Expression Denial of Service (ReDoS) when the $data option is enabled. The pattern keyword accepts runtime data via JSON Pointer syntax ($data reference), which is p…

ajv (Another JSON Schema Validator) before 8.18.0 is vulnerable to Regular Expression Denial of Service (ReDoS) when the $data option is enabled. The pattern keyword accepts runtime data via JSON Pointer syntax ($data reference), which is passed directly to the JavaScript RegExp() constructor without validation. An attacker can inject a malicious regex pattern (e.g., "^(a|a)*$") combined with crafted input to cause catastrophic backtracking. A 31-character payload causes approximately 44 seconds of CPU blocking, with each additional character doubling execution time. This enables complete denial of service with a single HTTP request against any API using ajv with $data: true for dynamic schema validation. This issue is also fixed in version 6.14.0.

Additional publisher context

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Feb 11, 2026, 12:00:00 AM

dateUpdated: Sep 14, 2026, 12:04:32 PM

34 related source bulletins · separate from aliases

msrc_CVE-2025-69873: ajv (Another JSON Schema Validator) before 8.18.0 is vulnerable to Regular Expression Denial of Service (ReDoS) when the $data option is enabled. The pattern keyword accepts runtime data via JSON Pointer syntax ($data reference), which is passed directly to the JavaScript RegExp() constructor without validation. An attacker can inject a malicious regex pattern (e.g., "^(a|a)*$") combined with crafted input to cause catastrophic backtracking. A 31-character payload causes approximately 44 seconds of CPU blocking, with each additional character doubling execution time. This enables complete denial of service with a single HTTP request against any API using ajv with $data: true for dynamic schema validation.

CVE-2025-69873

RHSA-2026:41944: Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.19.20 security, enhancement & bug fix update

CVE-2025-12816 · CVE-2025-13465 · CVE-2025-15284 · CVE-2025-66031 · CVE-2025-68157 · CVE-2025-68458 · CVE-2025-69873 · CVE-2026-4800 · CVE-2026-25128 · CVE-2026-25896 · CVE-2026-26278 · CVE-2026-26996 · CVE-2026-27904 · CVE-2026-27942 · CVE-2026-29063 · CVE-2026-33036 · CVE-2026-33186 · CVE-2026-34986 · CVE-2026-48779

RHSA-2026:83619: Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.16.36 security, enhancement & bug fix update

CVE-2025-13465 · CVE-2025-15284 · CVE-2025-61726 · CVE-2025-66031 · CVE-2025-68157 · CVE-2025-68458 · CVE-2025-69873 · CVE-2026-4800 · CVE-2026-26996 · CVE-2026-27904 · CVE-2026-33186 · CVE-2026-33814 · CVE-2026-34986

RHSA-2026:86618: Red Hat Security Advisory: New container image: rhceph-9.2

CVE-2023-46159 · CVE-2024-47866 · CVE-2024-48916 · CVE-2024-55565 · CVE-2025-12816 · CVE-2025-15599 · CVE-2025-26791 · CVE-2025-30156 · CVE-2025-50181 · CVE-2025-50182 · CVE-2025-58754 · CVE-2025-59343 · CVE-2025-62718 · CVE-2025-66030 · CVE-2025-66035 · CVE-2025-66412 · CVE-2025-69873 · CVE-2026-0540 · CVE-2026-21441 · CVE-2026-22610 · CVE-2026-25639 · CVE-2026-26996 · CVE-2026-27903 · CVE-2026-27904 · CVE-2026-27970 · CVE-2026-32141 · CVE-2026-33228 · CVE-2026-33671 · CVE-2026-33672 · CVE-2026-33891 · CVE-2026-33894 · CVE-2026-33895 · CVE-2026-33896 · CVE-2026-39865 · CVE-2026-40175 · CVE-2026-40895 · CVE-2026-41238 · CVE-2026-41239 · CVE-2026-41240 · CVE-2026-41305 · CVE-2026-42033 · CVE-2026-42034 · CVE-2026-42035 · CVE-2026-42036 · CVE-2026-42037 · CVE-2026-42038 · CVE-2026-42039 · CVE-2026-42040 · CVE-2026-42041 · CVE-2026-42042 · CVE-2026-42043 · CVE-2026-42044 · CVE-2026-50152 · CVE-2026-58224

RHSA-2026:5910: Red Hat Security Advisory: OpenShift Container Platform 4.16.59 bug fix and security update

CVE-2025-69873

RHSA-2026:33371: Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 7.3.18 security update

CVE-2024-29371 · CVE-2025-9784 · CVE-2025-12543 · CVE-2025-13465 · CVE-2025-15284 · CVE-2025-23184 · CVE-2025-23368 · CVE-2025-66412 · CVE-2025-69873 · CVE-2026-1002 · CVE-2026-24842

RHSA-2026:40945: Red Hat Security Advisory: Red Hat Edge Manager Version 1.1.3 Security Update

CVE-2025-13465 · CVE-2025-61729 · CVE-2025-68121 · CVE-2025-69873 · CVE-2026-4800 · CVE-2026-4926 · CVE-2026-6322 · CVE-2026-13676 · CVE-2026-22029 · CVE-2026-25679 · CVE-2026-29063 · CVE-2026-32141 · CVE-2026-32280 · CVE-2026-32281 · CVE-2026-32282 · CVE-2026-33186 · CVE-2026-33810 · CVE-2026-33811 · CVE-2026-33816 · CVE-2026-39821 · CVE-2026-39828 · CVE-2026-39829 · CVE-2026-39830 · CVE-2026-39832 · CVE-2026-39835 · CVE-2026-42151 · CVE-2026-42154 · CVE-2026-42508 · CVE-2026-46595

RHSA-2026:41941: Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.18.25 security, enhancement & bug fix update

CVE-2025-12816 · CVE-2025-13465 · CVE-2025-15284 · CVE-2025-47907 · CVE-2025-58183 · CVE-2025-61726 · CVE-2025-61729 · CVE-2025-66031 · CVE-2025-68157 · CVE-2025-68458 · CVE-2025-69873 · CVE-2026-4800 · CVE-2026-25896 · CVE-2026-26278 · CVE-2026-26996 · CVE-2026-27904 · CVE-2026-27942 · CVE-2026-29063 · CVE-2026-33036 · CVE-2026-33186 · CVE-2026-34986 · CVE-2026-48779

RHSA-2026:5807: Red Hat Security Advisory: RHOAI 2.16.4 - Red Hat OpenShift AI

CVE-2024-25621 · CVE-2025-6193 · CVE-2025-12060 · CVE-2025-12638 · CVE-2025-12816 · CVE-2025-61726 · CVE-2025-61729 · CVE-2025-66031 · CVE-2025-66418 · CVE-2025-66626 · CVE-2025-68156 · CVE-2025-69873 · CVE-2026-1526 · CVE-2026-1528 · CVE-2026-2229 · CVE-2026-25223 · CVE-2026-25639 · CVE-2026-29074 · CVE-2026-32141

RHSA-2026:15091: Red Hat Security Advisory: OpenShift Container Platform 4.14.65 bug fix and security update

CVE-2025-13465 · CVE-2025-61726 · CVE-2025-61728 · CVE-2025-61731 · CVE-2025-61732 · CVE-2025-69873 · CVE-2026-25679 · CVE-2026-40175

RHSA-2026:26211: Red Hat Security Advisory: General availability of the satellite/iop-remediations-rhel9 container image

CVE-2025-69873

RHSA-2026:26214: Red Hat Security Advisory: General availability of the satellite/iop-advisor-frontend-rhel9 container image

CVE-2025-69873 · CVE-2026-6321 · CVE-2026-26996 · CVE-2026-27904 · CVE-2026-41680 · CVE-2026-42033 · CVE-2026-42035 · CVE-2026-42039 · CVE-2026-42041 · CVE-2026-42043 · CVE-2026-42044

RHSA-2026:6567: Red Hat Security Advisory: Red Hat Quay 3.16.3

CVE-2025-13465 · CVE-2025-61726 · CVE-2025-61728 · CVE-2025-68121 · CVE-2025-68158 · CVE-2025-69873 · CVE-2026-25639 · CVE-2026-25990 · CVE-2026-26007 · CVE-2026-26996 · CVE-2026-27628 · CVE-2026-27904 · CVE-2026-28498

RHSA-2026:9742: Red Hat Security Advisory: Red Hat Developer Hub 1.8.6 release.

CVE-2025-62718 · CVE-2025-69534 · CVE-2025-69873 · CVE-2026-1525 · CVE-2026-1526 · CVE-2026-1528 · CVE-2026-2229 · CVE-2026-3118 · CVE-2026-4800 · CVE-2026-4926 · CVE-2026-25679 · CVE-2026-26996 · CVE-2026-27601 · CVE-2026-27904 · CVE-2026-29063 · CVE-2026-29074 · CVE-2026-29186 · CVE-2026-32141 · CVE-2026-33036 · CVE-2026-33228 · CVE-2026-33891 · CVE-2026-33894 · CVE-2026-33895 · CVE-2026-33896 · CVE-2026-39983 · CVE-2026-40175

RHSA-2026:40984: Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.20.15 security, enhancement & bug fix update

CVE-2025-12816 · CVE-2025-13465 · CVE-2025-15284 · CVE-2025-66031 · CVE-2025-68157 · CVE-2025-68458 · CVE-2025-69873 · CVE-2026-4800 · CVE-2026-22029 · CVE-2026-25128 · CVE-2026-25896 · CVE-2026-26278 · CVE-2026-26996 · CVE-2026-27904 · CVE-2026-27942 · CVE-2026-29063 · CVE-2026-33036 · CVE-2026-33186 · CVE-2026-33815 · CVE-2026-33816 · CVE-2026-34986 · CVE-2026-48779

RHSA-2026:7314: Red Hat Security Advisory: Red Hat Quay 3.14.7

CVE-2025-69873 · CVE-2026-27962

RHSA-2026:16874: Red Hat Security Advisory: Network Observability 1.11.2 for OpenShift

CVE-2025-62718 · CVE-2025-69873 · CVE-2026-4800 · CVE-2026-25679 · CVE-2026-32280 · CVE-2026-32282 · CVE-2026-40175 · CVE-2026-40895 · CVE-2026-42033 · CVE-2026-42035 · CVE-2026-42039 · CVE-2026-42041 · CVE-2026-42043

RHSA-2026:6277: Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.6 Product Security and Bug Fix Update

CVE-2025-61726 · CVE-2025-68121 · CVE-2025-69873 · CVE-2026-25639 · CVE-2026-25990 · CVE-2026-27904 · CVE-2026-29074

RHSA-2026:6309: Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.6 Container Release Update

CVE-2025-69223 · CVE-2025-69873 · CVE-2026-1615 · CVE-2026-25639 · CVE-2026-25990 · CVE-2026-26007 · CVE-2026-28498 · CVE-2026-28802 · CVE-2026-29074 · CVE-2026-30827 · CVE-2026-30922

RHSA-2026:5168: Red Hat Security Advisory: Red Hat Quay 3.9.19

CVE-2025-61726 · CVE-2025-68121 · CVE-2025-69873 · CVE-2026-25639 · CVE-2026-25990 · CVE-2026-26007 · CVE-2026-26996 · CVE-2026-27628 · CVE-2026-27904 · CVE-2026-28802

RHSA-2026:83622: Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.17.28 security, enhancement & bug fix update

CVE-2025-12816 · CVE-2025-13465 · CVE-2025-15284 · CVE-2025-58183 · CVE-2025-61726 · CVE-2025-61729 · CVE-2025-66031 · CVE-2025-68157 · CVE-2025-68458 · CVE-2025-69873 · CVE-2026-4800 · CVE-2026-6321 · CVE-2026-22029 · CVE-2026-26996 · CVE-2026-27904 · CVE-2026-29063 · CVE-2026-33186

RHSA-2026:40118: Red Hat Security Advisory: Red Hat Edge Manager Version 1.1.3 Security Update

CVE-2025-13465 · CVE-2025-61729 · CVE-2025-68121 · CVE-2025-69873 · CVE-2026-4800 · CVE-2026-4926 · CVE-2026-6322 · CVE-2026-13676 · CVE-2026-22029 · CVE-2026-25679 · CVE-2026-29063 · CVE-2026-32141 · CVE-2026-32280 · CVE-2026-32281 · CVE-2026-32282 · CVE-2026-33186 · CVE-2026-33810 · CVE-2026-33811 · CVE-2026-33816 · CVE-2026-39821 · CVE-2026-39828 · CVE-2026-39829 · CVE-2026-39830 · CVE-2026-39832 · CVE-2026-39835 · CVE-2026-42151 · CVE-2026-42154 · CVE-2026-42508 · CVE-2026-46595

RHSA-2026:6497: Red Hat Security Advisory: Red Hat Quay 3.16.3

CVE-2025-13465 · CVE-2025-61726 · CVE-2025-61728 · CVE-2025-68121 · CVE-2025-68158 · CVE-2025-69873 · CVE-2026-25639 · CVE-2026-25990 · CVE-2026-26007 · CVE-2026-26996 · CVE-2026-27628 · CVE-2026-27904 · CVE-2026-28498

RHSA-2026:14774: Red Hat Security Advisory: OpenShift Container Platform 4.15.64 bug fix and security update

CVE-2025-13465 · CVE-2025-61726 · CVE-2025-61728 · CVE-2025-61731 · CVE-2025-61732 · CVE-2025-65637 · CVE-2025-69873 · CVE-2026-25679 · CVE-2026-40175

RHSA-2026:6568: Red Hat Security Advisory: Red Hat Quay 3.15.4

CVE-2024-34156 · CVE-2024-45337 · CVE-2024-45338 · CVE-2025-61726 · CVE-2025-61728 · CVE-2025-61729 · CVE-2025-68121 · CVE-2025-68158 · CVE-2025-69873 · CVE-2026-4598 · CVE-2026-4599 · CVE-2026-4600 · CVE-2026-4601 · CVE-2026-4602 · CVE-2026-25639 · CVE-2026-25990 · CVE-2026-26007 · CVE-2026-26996 · CVE-2026-27628 · CVE-2026-27904 · CVE-2026-28498 · CVE-2026-28802 · CVE-2026-29063 · CVE-2026-29074 · CVE-2026-30922 · CVE-2026-32597

RHSA-2026:5907: Red Hat Security Advisory: OpenShift Container Platform 4.17.52 bug fix and security update

CVE-2025-65637 · CVE-2025-69873 · CVE-2026-22797

RHSA-2026:13512: Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.5 Product Security and Bug Fix Update

CVE-2025-69534 · CVE-2025-69873 · CVE-2026-6266 · CVE-2026-23490 · CVE-2026-25679 · CVE-2026-26007 · CVE-2026-27459 · CVE-2026-27606 · CVE-2026-29074 · CVE-2026-30922 · CVE-2026-32597 · CVE-2026-39373

RHSA-2026:6192: Red Hat Security Advisory: Red Hat OpenShift Dev Spaces 3.27.0 Release.

CVE-2025-13465 · CVE-2025-54386 · CVE-2025-61726 · CVE-2025-61728 · CVE-2025-61729 · CVE-2025-64756 · CVE-2025-68121 · CVE-2025-69873 · CVE-2026-1002 · CVE-2026-22045 · CVE-2026-23745 · CVE-2026-23950 · CVE-2026-24049 · CVE-2026-24842 · CVE-2026-25223 · CVE-2026-25639 · CVE-2026-25949 · CVE-2026-26960 · CVE-2026-26996

RHSA-2026:6802: Red Hat Security Advisory: Red Hat Developer Hub 1.9.3 release.

CVE-2025-61140 · CVE-2025-69873 · CVE-2026-1615 · CVE-2026-2359 · CVE-2026-3304 · CVE-2026-3520 · CVE-2026-24046 · CVE-2026-25153 · CVE-2026-25639 · CVE-2026-25679 · CVE-2026-25896 · CVE-2026-26278 · CVE-2026-27606 · CVE-2026-27942 · CVE-2026-33186

RHSA-2026:10093: Red Hat Security Advisory: OpenShift Container Platform 4.19.29 bug fix and security update

CVE-2025-69873 · CVE-2026-33186

RHSA-2026:19712: Red Hat Security Advisory: RHOAI 3.3.3 - Red Hat OpenShift AI

CVE-2025-6242 · CVE-2025-12816 · CVE-2025-13465 · CVE-2025-15284 · CVE-2025-59057 · CVE-2025-61726 · CVE-2025-61729 · CVE-2025-62164 · CVE-2025-62718 · CVE-2025-64756 · CVE-2025-66031 · CVE-2025-66418 · CVE-2025-66448 · CVE-2025-66471 · CVE-2025-69223 · CVE-2025-69873 · CVE-2026-0846 · CVE-2026-0847 · CVE-2026-4800 · CVE-2026-21441 · CVE-2026-21884 · CVE-2026-22029 · CVE-2026-22778 · CVE-2026-23490 · CVE-2026-23745 · CVE-2026-24049 · CVE-2026-24486 · CVE-2026-24779 · CVE-2026-25639 · CVE-2026-25990 · CVE-2026-27893 · CVE-2026-28684 · CVE-2026-29063 · CVE-2026-29074 · CVE-2026-30922 · CVE-2026-31812 · CVE-2026-32597 · CVE-2026-32829 · CVE-2026-32981 · CVE-2026-33186 · CVE-2026-33231 · CVE-2026-33236 · CVE-2026-34986 · CVE-2026-40175 · CVE-2026-40192 · CVE-2026-40895

WID-SEC-W-2026-0935: Red Hat Ansible Automation Platform: Mehrere Schwachstellen

CVE-2025-69223 · CVE-2025-69873 · CVE-2026-25639 · CVE-2026-25990 · CVE-2026-29074 · CVE-2026-30827 · CVE-2026-30922 · CVE-2026-26007 · CVE-2026-1615 · CVE-2026-28498 · CVE-2026-28802

RHSA-2026:36651: Red Hat Security Advisory: Red Hat Edge Manager Version 1.0.3 Security Update

CVE-2025-13465 · CVE-2025-61729 · CVE-2025-68121 · CVE-2025-69873 · CVE-2026-4800 · CVE-2026-4926 · CVE-2026-6322 · CVE-2026-22029 · CVE-2026-25679 · CVE-2026-29063 · CVE-2026-32141 · CVE-2026-32280 · CVE-2026-33186 · CVE-2026-33810 · CVE-2026-33811 · CVE-2026-39821 · CVE-2026-39828 · CVE-2026-39829 · CVE-2026-39830 · CVE-2026-39832 · CVE-2026-39835 · CVE-2026-42151 · CVE-2026-42154 · CVE-2026-42508 · CVE-2026-46595

RHSA-2026:6404: Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.6 Container Release Update

CVE-2025-69223 · CVE-2025-69873 · CVE-2026-1615 · CVE-2026-25639 · CVE-2026-25990 · CVE-2026-26007 · CVE-2026-28498 · CVE-2026-28802 · CVE-2026-29074 · CVE-2026-30827 · CVE-2026-30922

Source published
Feb 11, 2026, 12:00:00 AM (timezone not stated)
Source modified
Sep 14, 2026, 12:04:32 PM (timezone not stated)
Saved here
13 Nov 2026 05:26:22 UTC
Source terms
ENISA EUVD · source terms and attribution apply

Original source record · Cite this exact observation · Complete original publisher JSON

Source: euvd · ENISA EUVD · source terms and attribution apply. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

EUVD CVSS 3.1 · 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvd · CVE-2025-69873

Published

ajv (Another JSON Schema Validator) before 8.18.0 is vulnerable to Regular Expression Denial of Service (ReDoS) when the $data option is enabled. The pattern keyword accepts runtime data via JSON Pointer syntax ($data reference), which is p…

ajv (Another JSON Schema Validator) before 8.18.0 is vulnerable to Regular Expression Denial of Service (ReDoS) when the $data option is enabled. The pattern keyword accepts runtime data via JSON Pointer syntax ($data reference), which is passed directly to the JavaScript RegExp() constructor without validation. An attacker can inject a malicious regex pattern (e.g., "^(a|a)*$") combined with crafted input to cause catastrophic backtracking. A 31-character payload causes approximately 44 seconds of CPU blocking, with each additional character doubling execution time. This enables complete denial of service with a single HTTP request against any API using ajv with $data: true for dynamic schema validation. This issue is also fixed in version 6.14.0.

Additional publisher context

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Deferred

Weakness classifications: CWE-1333 · CWE-400

Original publisher date fields

published: 2026-02-11T19:15:50.467

lastModified: 2026-09-10T13:17:29.420

Source published
11 Feb 2026 19:15:50 UTC
Source modified
10 Sep 2026 13:17:29 UTC
Saved here
25 Oct 2026 04:17:18 UTC
Source terms
NIST NVD usage terms; underlying source attribution retained

Original source record · Cite this exact observation · Complete original publisher JSON

Source: nvd · NIST NVD usage terms; underlying source attribution retained. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · [email protected] · Secondary · 2.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0 · Secondary · 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS 3.1 · 0b0ca135-0b70-47e7-9f44-1890c2a1c46c · Secondary · 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

osv · GHSA-2g4f-4pwh-qvx6

Published

ajv has ReDoS when using `$data` option

ajv (Another JSON Schema Validator) through version 8.17.1 is vulnerable to Regular Expression Denial of Service (ReDoS) when the `$data` option is enabled. The pattern keyword accepts runtime data via JSON Pointer syntax (`$data` reference), which is passed directly to the JavaScript `RegExp()` constructor without validation. An attacker can inject a malicious regex pattern (e.g., `\"^(a|a)*$\"`) combined with crafted input to cause catastrophic backtracking. A 31-character payload causes approximately 44 seconds of CPU blocking, with each additional character doubling execution time. This enables complete denial of service with a single HTTP request against any API using ajv with `$data`: true for dynamic schema validation.

Source published
11 Feb 2026 21:30:39 UTC
Source modified
10 Sep 2026 03:50:33 UTC
Saved here
24 Oct 2026 13:17:17 UTC
Source terms
GitHub Advisory Database · CC-BY-4.0

Original source record · Cite this exact observation · Complete original publisher JSON

Source: osv · GitHub Advisory Database · CC-BY-4.0. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS_V4 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

Publisher rating · MODERATE

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