Auth bypass in Openclaw
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.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (17.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- Openclaw — versions 0
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-wm8r-w8pf-2v6w (vendor-advisory, Mitigation, Vendor Advisory, third-party-advisory)
- github.com/openclaw/openclaw/commit/8bdda7a651c21e98faccdbbd73081e79cffe8be0 (Patch, patch)
- github.com/openclaw/openclaw/commit/64de4b6d6ae81e269ceb4ca16f53cda99ced967a (Patch, patch)
- www.vulncheck.com/advisories/openclaw-authorization-bypass-via-dm-pairing-store… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-31991?
- CVE-2026-31991 is a low-severity vulnerability in Openclaw, classified under Incorrect Authorization. CVSS score: 3.7/10. Published 2026-03-19.
- How severe is CVE-2026-31991?
- Low severity. CVSS v3 base score is 3.7 out of 10.