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 allowlists to inject unauthorized reaction and pin events from restricted senders.
Vulnerability class: Broken Access Control
EPSS: 0.002 (10.6th 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)
References
- disclosure@vulncheck.com (vendor-advisory, Vendor Advisory, third-party-advisory)
- disclosure@vulncheck.com (Patch, patch)
- disclosure@vulncheck.com (Patch, patch)
- disclosure@vulncheck.com (Third Party Advisory, 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.