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.

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 o…

Vulnerability class: Broken Access Control

EPSS: 0.000 (13.9th percentile) — read the EPSS interpretation.

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.

Affected products

Openclaw — versions 0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

GitHub Security Advisory (GHSA-wm8r-w8pf-2v6w) (third-party-advisory)
Patch Commit (patch)
Patch Commit (patch)
VulnCheck Advisory: OpenClaw < 2026.2.26 - Authorization Bypass via DM Pairing-Store Leakage in Signal Group Allowlist (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.