What is CVE-2026-31998?

CVE-2026-31998 is a high-severity vulnerability in Openclaw, classified under Incorrect Authorization. CVSS score: 8.6/10. Published 2026-03-19.

How severe is CVE-2026-31998?

High severity. CVSS v3 base score is 8.6 out of 10.

Auth bypass in Openclaw

CVE-2026-31998

OpenClaw versions 2026.2.22 and 2026.2.23 contain an authorization bypass vulnerability in the synology-chat channel plugin where dmPolicy set to allowlist with empty allowedUserIds fails open. Attackers with Synology sender access can byp…

Vulnerability class: Broken Access Control

EPSS: 0.001 (21.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L.

Affected products

Openclaw — versions 2026.2.22, 2026.2.24

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

GitHub Security Advisory (GHSA-gw85-xp4q-5gp9) (third-party-advisory)
Patch Commit (patch)
Patch Commit (patch)
VulnCheck Advisory: OpenClaw 2026.2.22 < 2026.2.24 - Authorization Bypass in Synology Chat Plugin via Empty allowedUserIds (third-party-advisory)

Frequently asked questions

What is CVE-2026-31998?: CVE-2026-31998 is a high-severity vulnerability in Openclaw, classified under Incorrect Authorization. CVSS score: 8.6/10. Published 2026-03-19.
How severe is CVE-2026-31998?: High severity. CVSS v3 base score is 8.6 out of 10.