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CVE-2026-123613ModerateNetworkRevised 13 Nov

Rustls 0.23.13 before 0.23.45 TLS 1.3 Handshake Encryption Level Bypass

No KEV listing collectedCVSS 5.3Fix not stated
MSRC advisory NVD CVE.org

Assessment

Severity
Moderate
CVSS base score
5.3
Impact
Not stated
Exploitation detected
Unknown: not stated by MSRC
Exploitability
Not assessed
Publicly disclosed
Unknown: not stated by MSRC
EPSS · 30-day forecast
No EPSS score collected
Customer action
Required: follow the MSRC remediation guidance
More details
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Public detection template
No Nuclei template is listed in the current collected catalog
Component
Mariner
Weakness
CWE-20: Improper Input Validation
Issued by
VulnCheck
Published
11 Nov 2026 · November 2026
Last revised
13 Nov 2026Information published.
CVSS 3.1 base metricsRed raises the risk · green lowers it
Attack vector
NetworkAV:N
Attack complexity
LowAC:L
Privileges required
NonePR:N
User interaction
NoneUI:N
Scope
UnchangedS:U
Confidentiality
LowC:L
Integrity
NoneI:N
Availability
NoneA:N

Updates that fix it

0 KBs

No KB listed

No KB update is listed in the collected MSRC record. Check the MSRC advisory for product releases and other remedies.

Affected products

Open Source Software
7 affected products
  • azl3 kata-containers 4.1.0.kata1-2 on Azure Linux 3.0
  • azl3 kata-containers 4.1.0.kata2-1 on Azure Linux 3.0
  • azl3 kata-containers-cc 3.15.0.aks0-23 on Azure Linux 3.0
  • azl3 kata-containers-cc 3.15.0.aks0-24 on Azure Linux 3.0
  • azl3 rust 1.75.0-31 on Azure Linux 3.0
  • azl3 rust 1.98.1-1 on Azure Linux 3.0
  • azl3 rust-afterburn 5.8.2-2 on Azure Linux 3.0

What changed

  1. Affected products: azl3 kata-containers 4.1.0.kata1-2 on Azure Linux 3.0, azl3 kata-containers-cc 3.15.0.aks0-23 on Azure Linux 3.0, azl3 rust 1.75.0-31 on Azure Linux 3.0, azl3 rust 1.98.1-1 on Azure Linux 3.0, azl3 rust-afterburn 5.8.2-2 on Azure Linux 3.0 → azl3 kata-containers 4.1.0.kata1-2 on Azure Linux 3.0, azl3 kata-containers 4.1.0.kata2-1 on Azure Linux 3.0, azl3 kata-containers-cc 3.15.0.aks0-23 on Azure Linux 3.0, azl3 kata-containers-cc 3.15.0.aks0-24 on Azure Linux 3.0, azl3 rust 1.75.0-31 on Azure Linux 3.0, azl3 rust 1.98.1-1 on Azure Linux 3.0, azl3 rust-afterburn 5.8.2-2 on Azure Linux 3.0
  2. Detection template: Unknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  3. Detection template: No Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
Page history

Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.

Cite this version
Field-level log (10)

Up to 100 recent field edits are shown; older edits may be outside retention.

  1. 14 Nov 2026 · 08:16:23 UTC Last revised12 Nov 2026 01:48 UTC → 13 Nov 2026 14:46 UTC
  2. 14 Nov 2026 · 08:16:23 UTC Affected productsazl3 kata-containers 4.1.0.kata1-2 on Azure Linux 3.0, azl3 kata-containers-cc 3.15.0.aks0-23 on Azure Linux 3.0, azl3 rust 1.75.0-31 on Azure Linux 3.0, azl3 rust 1.98.1-1 on Azure Linux 3.0, azl3 rust-afterburn 5.8.2-2 on Azure Linux 3.0 → azl3 kata-containers 4.1.0.kata1-2 on Azure Linux 3.0, azl3 kata-containers 4.1.0.kata2-1 on Azure Linux 3.0, azl3 kata-containers-cc 3.15.0.aks0-23 on Azure Linux 3.0, azl3 kata-containers-cc 3.15.0.aks0-24 on Azure Linux 3.0, azl3 rust 1.75.0-31 on Azure Linux 3.0, azl3 rust 1.98.1-1 on Azure Linux 3.0, azl3 rust-afterburn 5.8.2-2 on Azure Linux 3.0
  3. 13 Nov 2026 · 12:10:20 UTC Public detection templateUnknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  4. 13 Nov 2026 · 12:10:20 UTC Source coverage: public-exploit-codeIncomplete → Current
  5. 13 Nov 2026 · 12:10:20 UTC Source coverage: first-epssIncomplete → Current
  6. 13 Nov 2026 · 12:10:20 UTC Source coverage: msrc-cvrfIncomplete → Current
  7. 13 Nov 2026 · 11:07:20 UTC Public detection templateNo Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  8. 13 Nov 2026 · 11:07:20 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  9. 13 Nov 2026 · 11:07:20 UTC Source coverage: first-epssCurrent → Incomplete
  10. 13 Nov 2026 · 11:07:20 UTC Source coverage: msrc-cvrfCurrent → Incomplete

Explore global source statements, affected packages and advisory history for CVE-2026-123613. The catalog has a separate collection scope from Microsoft release records.

More advisories, affected versions and source history

cve-program · CVE-2026-123613

Published

rustls

Vendor product

Publisher's version information

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

{
                    "vendor": "rustls",
                    "product": "rustls",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:cargo/rustls",
                    "versions": [
                        {
                            "version": "0.23.13",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "0.23.45"
                        },
                        {
                            "version": "0.23.45",
                            "status": "unaffected",
                            "versionType": "semver"
                        }
                    ]
                }

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

euvd · EUVD-2026-119372

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: Nov 8, 2026, 1:38:37 AM

dateUpdated: Nov 10, 2026, 5:56:44 PM

1 related source bulletins · separate from aliases

msrc_CVE-2026-123613: Rustls 0.23.13 before 0.23.45 TLS 1.3 Handshake Encryption Level Bypass

CVE-2026-123613

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-2026-123613

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: Awaiting Analysis

Weakness classifications: CWE-20

Original publisher date fields

published: 2026-11-08T02:16:56.780

lastModified: 2026-11-12T20:28:31.817

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-2mjx-qc3c-rqvc

Published

rustls

crates.io

SEMVER · introduced 0.23.13 → fixed 0.23.45

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

osv · RUSTSEC-2026-0285

Published

rustls

crates.io

SEMVER · introduced 0.23.13 → fixed 0.23.45

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 18:02 UTC · 254 of 275 readable · 250 fully read · documentation 469/469 current

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