Vulnerability Description
OpenClaw versions prior to 2026.2.26 fail to enforce sender authorization in member and message subtype system event handlers, allowing unauthorized events to be enqueued. Attackers can bypass Slack DM allowlists and per-channel user allowlists by sending system events from non-allowlisted senders through message_changed, message_deleted, and thread_broadcast events.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openclaw | Openclaw | < 2026.2.26 |
Related Weaknesses (CWE)
References
- https://github.com/openclaw/openclaw/commit/3d30ba18a2aba1e1b302e77ff33145c3b06cPatch
- https://github.com/openclaw/openclaw/security/advisories/GHSA-v8cg-4474-49v8Vendor Advisory
- https://www.vulncheck.com/advisories/openclaw-sender-authorization-bypass-in-slaThird Party Advisory
FAQ
What is CVE-2026-32895?
CVE-2026-32895 is a vulnerability with a CVSS score of 5.4 (MEDIUM). OpenClaw versions prior to 2026.2.26 fail to enforce sender authorization in member and message subtype system event handlers, allowing unauthorized events to be enqueued. Attackers can bypass Slack D...
How severe is CVE-2026-32895?
CVE-2026-32895 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-32895?
Check the references section above for vendor advisories and patch information. Affected products include: Openclaw Openclaw.