Home/CVE/OpenClaw versions prior to 2026.2.26 contain an authorization bypass vulnerability where Signal group allowlist policy i
CVE

CVE-2026-31991

OpenClaw versions prior to 2026.2.26 contain an authorization bypass vulnerability where Signal group allowlist policy i

OpenClaw versions prior to 2026.2.26 contain an authorization bypass vulnerability where Signal group allowlist policy incorrectly accepts sender identities from DM pairing-store approvals. Attackers can exploit this boundary weakness by obtaining DM pairing approval to bypass group allowlist checks and gain unauthorized group access.

LOW · CVSS 3.7 EPSS 0.00044
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-863Incorrect Authorization
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Affected Products & Versions

1
openclaw< 2026.2.26
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Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
npm openclaw LOW fixed in 2026.2.26
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Scoring & Timeline

3.7
LOW · CVSS v3.1 · disclosure@vulncheck.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD19 Mar 2026 · 02:16 AM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/openclaw/openclaw/commit/64de4b6d6ae81e269ceb4ca16f53cda99ced967aPatch
https://github.com/openclaw/openclaw/commit/8bdda7a651c21e98faccdbbd73081e79cffe8be0Patch
https://github.com/openclaw/openclaw/security/advisories/GHSA-wm8r-w8pf-2v6wMitigationVendor Advisory
https://www.vulncheck.com/advisories/openclaw-authorization-bypass-via-dm-pairing-store-leakage-in-signal-group-allowlistThird Party Advisory
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