CVE-2026-41376: OpenClaw · Matrix thread root and reply context bypass sender allowlist
Affects openclawSource GCVE Database
Not known to be exploited · CVSS 6.5 Medium : upgrade to 2026.3.31 when convenient.
Data as of 27 Oct 2026, 00:07 UTC
- Patch
- Available – fixed in 2026.3.31
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 2 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 26 Oct 2026.
What to do
Upgrade openclaw to 2026.3.31.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| npmopenclaw | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
## Summary Matrix thread root and reply context bypass sender allowlist ## Current Maintainer Triage - Status: open - Normalized severity: medium - Assessment: Real in shipped v2026.3.28 Matrix because fetched thread-root/reply context bypasses sender allowlists, with unreleased mainline filtering fix. ## Affected Packages / Versions - Package: `openclaw` (npm) - Latest published npm version: `2026.3.31` - Vulnerable version range: `<=2026.3.28` - Patched versions: `>= 2026.3.31` - First stable tag containing the fix: `v2026.3.31` ## Fix Commit(s) - `8a563d603b70ef6338915f0527bee87282c3bad5` — 2026-03-31T17:09:03+01:00 OpenClaw thanks @AntAISecurityLab for reporting.
References
- github.com/openclaw/openclaw/security/advisories/GHSA-rg8m-3943-vm6q (opens in a new tab)
- nvd.nist.gov/vuln/detail/CVE-2026-41376 (opens in a new tab)
- github.com/openclaw/openclaw/commit/8a563d603b70ef6338915f0527bee87282c3bad5 (opens in a new tab)
- github.com/openclaw/openclaw (opens in a new tab)
- github.com/openclaw/openclaw/releases/tag/v2026.3.31 (opens in a new tab)
- vulncheck.com/advisories/openclaw-matrix-thread-context-allowlist-bypass-via-sender-validation (opens in a new tab)