Medium severity · published Apr 28, 2026
CVE-2026-41376
OpenClaw < 2026.3.31 - Matrix Thread Context Allowlist Bypass via Sender Validation
6.5
CVSS
0.2%
EPSS
No
On KEV
Description
OpenClaw before 2026.3.31 contains an allowlist bypass vulnerability in Matrix thread root and reply context handling that fails to properly validate message senders. Attackers can fetch thread-root and reply context messages that should be filtered by sender allowlists, bypassing access controls.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 5% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
OpenClaw · OpenClaw
before 2026.3.31 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-41376
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-41376
Patch
https://github.com/openclaw/openclaw/commit/8a563d603b70ef6338915f0527bee87282c3bad5
Vendor Advisory
https://github.com/openclaw/openclaw/security/advisories/GHSA-rg8m-3943-vm6q
Third Party Advisory
https://www.vulncheck.com/advisories/openclaw-matrix-thread-context-allowlist-bypass-via-sender-validation
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