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VulnerabilityPublished Updated

CVE-2026-100541: openclaw matrix · Improper Handling of Case Sensitivity

Affects openclaw matrixSource CVE Database V5

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Not known to be exploited · CVSS 7.7 High : upgrade to 2026.8.1 soon.

Data as of 9 Nov 2026, 23:24 UTC

CVSS 4.0 base score
7.7High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 23% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 2026.8.1
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 26 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 9 Nov 2026.

What to do

Upgrade openclaw matrix to 2026.8.1.

Affected software

ProductAffectedFixed in
openclawmatrixAffected
  • >=2026.2.2 <2026.8.1
Fixed in
  • 2026.8.1

AI-suggested

Upgrade OpenClaw's Matrix integration to version 2026.8.1 or later, where the case sensitivity handling issue is fixed. No other mitigations are specified. Patch status is confirmed by the vendor advisory indicating the fix in 2026.8.1.

Description

OpenClaw's Matrix integration (npm package @openclaw/matrix) versions 2026.2.2 up to but not including 2026.8.1 improperly handle case sensitivity when deriving authorization identities. This causes distinct authenticated Matrix accounts that differ only by case or Unicode folding to be treated as the same authorization identity. Consequently, an attacker controlling a colliding account identifier can inherit privileges such as allowlist, owner-command, exec-approval, or plugin-approval authority assigned to another account. The vulnerability is fixed in version 2026.8.1.

References

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