Vulnerability Description
OpenClaw before 2026.3.31 contains a scope bypass vulnerability in webhook replay cache deduplication that allows authenticated attackers to replay messages across sibling targets using the same messageId. Attackers can exploit overly broad cache keying to bypass replay protection and deliver duplicate webhook messages to unintended targets.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openclaw | Openclaw | < 2026.3.31 |
Related Weaknesses (CWE)
References
- https://github.com/openclaw/openclaw/commit/4d038bb242c11f39e45f6a4bde400e5fd42ePatch
- https://github.com/openclaw/openclaw/security/advisories/GHSA-hhq4-97c2-p447Vendor Advisory
- https://www.vulncheck.com/advisories/openclaw-webhook-replay-cache-cross-target-Third Party Advisory
FAQ
What is CVE-2026-41402?
CVE-2026-41402 is a vulnerability with a CVSS score of 4.2 (MEDIUM). OpenClaw before 2026.3.31 contains a scope bypass vulnerability in webhook replay cache deduplication that allows authenticated attackers to replay messages across sibling targets using the same messa...
How severe is CVE-2026-41402?
CVE-2026-41402 has been rated MEDIUM with a CVSS base score of 4.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-41402?
Check the references section above for vendor advisories and patch information. Affected products include: Openclaw Openclaw.