Vulnerability Description
OpenClaw's voice-call plugin versions before 2026.2.3 contain an improper authentication vulnerability in webhook verification that allows remote attackers to bypass verification by supplying untrusted forwarded headers. Attackers can spoof webhook events by manipulating Forwarded or X-Forwarded-* headers in reverse-proxy configurations that implicitly trust these headers.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openclaw | Openclaw | < 2026.2.3 |
Related Weaknesses (CWE)
References
- https://github.com/openclaw/openclaw/commit/a749db9820eb6d6224032a5a34223d286d2dPatch
- https://github.com/openclaw/openclaw/security/advisories/GHSA-3m3q-x3gj-f79xVendor Advisory
- https://www.vulncheck.com/advisories/openclaw-voice-call-webhook-verification-byThird Party Advisory
FAQ
What is CVE-2026-28465?
CVE-2026-28465 is a vulnerability with a CVSS score of 5.9 (MEDIUM). OpenClaw's voice-call plugin versions before 2026.2.3 contain an improper authentication vulnerability in webhook verification that allows remote attackers to bypass verification by supplying untruste...
How severe is CVE-2026-28465?
CVE-2026-28465 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-28465?
Check the references section above for vendor advisories and patch information. Affected products include: Openclaw Openclaw.