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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (25.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.7% 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, 2026.2.25
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-rm2p-j3r7-4x4j (vendor-advisory, Vendor Advisory, third-party-advisory)
- github.com/openclaw/openclaw/commit/aedf62ac7e669a89c7b299201bf6537dc6b12e0e (Patch, patch)
- github.com/openclaw/openclaw/commit/75dfb71e4e8b7c2feba5a8ca662f92ea840e0147 (Patch, patch)
- www.vulncheck.com/advisories/openclaw-sender-policy-bypass-in-slack-reaction-an… (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.