Vulnerability Description
OpenClaw before 2026.3.28 contains a sender policy bypass vulnerability in the Google Chat and Zalouser extensions where route-level group allowlist policies silently downgrade to open policy. Attackers can exploit this policy resolution flaw to bypass sender restrictions and interact with bots despite configured allowlist restrictions.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openclaw | Openclaw | < 2026.3.28 |
Related Weaknesses (CWE)
References
- https://github.com/openclaw/openclaw/commit/e64a881ae0fb8af18e451163f4c2d611d60cPatch
- https://github.com/openclaw/openclaw/security/advisories/GHSA-63mg-xp9j-jfcmVendor Advisory
- https://www.vulncheck.com/advisories/openclaw-sender-policy-allowlist-bypass-viaThird Party Advisory
FAQ
What is CVE-2026-33578?
CVE-2026-33578 is a vulnerability with a CVSS score of 4.3 (MEDIUM). OpenClaw before 2026.3.28 contains a sender policy bypass vulnerability in the Google Chat and Zalouser extensions where route-level group allowlist policies silently downgrade to open policy. Attacke...
How severe is CVE-2026-33578?
CVE-2026-33578 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-33578?
Check the references section above for vendor advisories and patch information. Affected products include: Openclaw Openclaw.