Vulnerability Description
OpenClaw versions prior to 2026.2.21 BlueBubbles webhook handler contains a passwordless fallback authentication path that allows unauthenticated webhook events in certain reverse-proxy or local routing configurations. Attackers can bypass webhook authentication by exploiting the loopback/proxy heuristics to send unauthenticated webhook events to the BlueBubbles plugin.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openclaw | Openclaw | < 2026.2.21 |
Related Weaknesses (CWE)
References
- https://github.com/openclaw/openclaw/commit/283029bdea23164ab7482b320cb420d1b90dPatch
- https://github.com/openclaw/openclaw/commit/6b2f2811dc623e5faaf2f76afaa927963717Patch
- https://github.com/openclaw/openclaw/security/advisories/GHSA-5mx2-2mgw-x8rmVendor Advisory
- https://www.vulncheck.com/advisories/openclaw-unauthenticated-webhook-access-viaThird Party Advisory
FAQ
What is CVE-2026-32896?
CVE-2026-32896 is a vulnerability with a CVSS score of 4.8 (MEDIUM). OpenClaw versions prior to 2026.2.21 BlueBubbles webhook handler contains a passwordless fallback authentication path that allows unauthenticated webhook events in certain reverse-proxy or local routi...
How severe is CVE-2026-32896?
CVE-2026-32896 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-32896?
Check the references section above for vendor advisories and patch information. Affected products include: Openclaw Openclaw.