What is CVE-2026-32899?

CVE-2026-32899 is a medium-severity vulnerability in Openclaw, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-03-21.

How severe is CVE-2026-32899?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Openclaw

CVE-2026-32899

OpenClaw versions prior to 2026.2.25 fail to consistently apply sender-policy checks to reaction_* and pin_* non-message events before adding them to system-event context. Attackers can bypass configured DM policies and channel user allowl…

Vulnerability class: Broken Access Control

EPSS: 0.000 (13.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Openclaw — versions 0, 2026.2.25

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

GitHub Security Advisory (GHSA-rm2p-j3r7-4x4j) (third-party-advisory)
Patch Commit #1 (patch)
Patch Commit #2 (patch)
VulnCheck Advisory: OpenClaw < 2026.2.25 - Sender Policy Bypass in Slack Reaction and Pin Event Handlers (third-party-advisory)

Frequently asked questions

What is CVE-2026-32899?: CVE-2026-32899 is a medium-severity vulnerability in Openclaw, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-03-21.
How severe is CVE-2026-32899?: Medium severity. CVSS v3 base score is 4.3 out of 10.