CVE-2026-31991

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.

Score

CVSS 3.1 4.6 Medium

Status

Analyzed - disclosure@vulncheck.com

Published

2026-03-19

Last modified

2026-06-23

Weaknesses

CWE-863

Affected products

• Openclaw (Openclaw)

References

• https://github.com/openclaw/openclaw/commit/64de4b6d6ae81e269ceb4ca16f53cda99ced967a
• https://github.com/openclaw/openclaw/commit/8bdda7a651c21e98faccdbbd73081e79cffe8be0
• https://github.com/openclaw/openclaw/security/advisories/GHSA-wm8r-w8pf-2v6w
• https://www.vulncheck.com/advisories/openclaw-authorization-bypass-via-dm-pairing-store-leakage-in-signal-group-allowli…