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fast-xml-parser affected by numeric entity expansion bypassing all entity expansion limits (incomplete fix for CVE-2026-26278)

cve-program · CVE-2026-33036

Published

fast-xml-parser

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "NaturalIntelligence",
                    "product": "fast-xml-parser",
                    "versions": [
                        {
                            "version": ">= 4.0.0-beta.3, < 5.5.6",
                            "status": "affected"
                        }
                    ]
                }

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

euvd · EUVD-2026-13573

Published

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: Mar 20, 2026, 5:17:03 AM

dateUpdated: Mar 25, 2026, 1:57:58 PM

15 related source bulletins · separate from aliases

openSUSE-SU-2026:11126-1: velociraptor-0.7.0.4.git185.a5708584-2.1 on GA media

CVE-2023-45288 · CVE-2024-45339 · CVE-2025-13465 · CVE-2025-22868 · CVE-2025-22869 · CVE-2025-22870 · CVE-2025-22872 · CVE-2025-24358 · CVE-2025-47911 · CVE-2025-58058 · CVE-2025-58181 · CVE-2025-58190 · CVE-2025-5889 · CVE-2025-64718 · CVE-2025-6545 · CVE-2025-6547 · CVE-2025-7783 · CVE-2026-1229 · CVE-2026-25128 · CVE-2026-25680 · CVE-2026-25681 · CVE-2026-26278 · CVE-2026-26996 · CVE-2026-27136 · CVE-2026-2739 · CVE-2026-27606 · CVE-2026-27904 · CVE-2026-33036 · CVE-2026-33186 · CVE-2026-33487 · CVE-2026-33814 · CVE-2026-34986 · CVE-2026-39821 · CVE-2026-39827 · CVE-2026-39828 · CVE-2026-39829 · CVE-2026-39830 · CVE-2026-39831 · CVE-2026-39832 · CVE-2026-39833 · CVE-2026-39834 · CVE-2026-39835 · CVE-2026-42039 · CVE-2026-42502 · CVE-2026-42506 · CVE-2026-42508 · CVE-2026-46595 · CVE-2026-46597 · CVE-2026-46598

openSUSE-SU-2026:10462-1: heroic-games-launcher-2.20.1-4.1 on GA media

CVE-2026-33036

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-2026:51349: Red Hat Security Advisory: General availability of the satellite/iop-host-inventory-frontend-rhel9 container image

CVE-2026-13149 · CVE-2026-13676 · CVE-2026-25128 · CVE-2026-25896 · CVE-2026-26278 · CVE-2026-26996 · CVE-2026-27904 · CVE-2026-27942 · CVE-2026-33036 · CVE-2026-44990

WID-SEC-W-2026-1220: IBM App Connect Enterprise: Mehrere Schwachstellen

CVE-2026-26278 · CVE-2026-27601 · CVE-2026-27903 · CVE-2026-27904 · CVE-2026-29786 · CVE-2026-30827 · CVE-2026-31802 · CVE-2026-31988 · CVE-2026-32141 · CVE-2026-33036 · CVE-2026-33228

RHSA-2026:17549: Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.16.26 security, enhancement & bug fix update

CVE-2026-4800 · CVE-2026-33036

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-2026:17550: Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.17.24 security, enhancement & bug fix update

CVE-2025-61729 · CVE-2026-4800 · CVE-2026-33036 · CVE-2026-34986

RHSA-2026:7128: Red Hat Security Advisory: RHACS 4.9.5 security and bug fix update

CVE-2026-25128 · CVE-2026-25535 · CVE-2026-25755 · CVE-2026-25896 · CVE-2026-25940 · CVE-2026-26278 · CVE-2026-27942 · CVE-2026-31898 · CVE-2026-31938 · CVE-2026-33036 · CVE-2026-33186

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-2026:12279: Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.19.15 security, enhancement & bug fix update

CVE-2025-58183 · CVE-2025-61726 · CVE-2025-61729 · CVE-2026-4800 · CVE-2026-33036 · CVE-2026-33186 · CVE-2026-34986

RHSA-2026:17547: Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.18.20 security, enhancement & bug fix update

CVE-2025-61729 · CVE-2026-4800 · CVE-2026-33036 · CVE-2026-34986

RHSA-2026:7110: Red Hat Security Advisory: RHACS 4.8.10 security and bug fix update

CVE-2026-25128 · CVE-2026-25535 · CVE-2026-25755 · CVE-2026-25896 · CVE-2026-25940 · CVE-2026-26278 · CVE-2026-27942 · CVE-2026-29074 · CVE-2026-31898 · CVE-2026-31938 · CVE-2026-33036 · CVE-2026-33186

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-2026:12277: Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.20.10 security, enhancement & bug fix update

CVE-2026-4800 · CVE-2026-27942 · CVE-2026-33036 · CVE-2026-33186 · CVE-2026-34986

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

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

nvd · CVE-2026-33036

Published

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: Analyzed

Weakness classifications: CWE-776

Original publisher date fields

published: 2026-03-20T06:16:11.630

lastModified: 2026-06-17T10:36:50.727

8 source CPE criteria · context only
  • cpe:2.3:a:naturalintelligence:fast-xml-parser:*:*:*:*:*:*:*:*
  • cpe:2.3:a:naturalintelligence:fast-xml-parser:4.0.0:-:*:*:*:*:*:*
  • cpe:2.3:a:naturalintelligence:fast-xml-parser:4.0.0:beta3:*:*:*:*:*:*
  • cpe:2.3:a:naturalintelligence:fast-xml-parser:4.0.0:beta4:*:*:*:*:*:*
  • cpe:2.3:a:naturalintelligence:fast-xml-parser:4.0.0:beta5:*:*:*:*:*:*
  • cpe:2.3:a:naturalintelligence:fast-xml-parser:4.0.0:beta6:*:*:*:*:*:*
  • cpe:2.3:a:naturalintelligence:fast-xml-parser:4.0.0:beta7:*:*:*:*:*:*
  • cpe:2.3:a:naturalintelligence:fast-xml-parser:4.0.0:beta8:*:*:*:*:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

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

osv · GHSA-8gc5-j5rx-235r

Published

fast-xml-parser

npm

SEMVER · introduced 5.0.0 → fixed 5.5.6

fast-xml-parser

npm

SEMVER · introduced 4.0.0-beta.3 → fixed 4.5.5

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

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 15 Nov 12:11 UTC · 256 of 275 readable · 252 fully read · documentation 469/469 current