Improper Authentication Vulnerability in OpenClaw Voice-Call Plugin
CVE-2026-28465

8.2HIGH

Key Information:

Vendor

Openclaw

Status
Voice-call
Vendor
CVE Published:
5 March 2026

What is CVE-2026-28465?

The OpenClaw Voice-Call Plugin, prior to version 2026.2.3, suffers from an improper authentication vulnerability that permits remote attackers to circumvent verification processes associated with webhook events. This can be accomplished by manipulating the Forwarded or X-Forwarded-* headers within configurations that assume these headers are trustworthy. As a result, attackers can spoof webhook events, which poses significant security risks to applications relying on this plugin.

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Affected Version(s)

voice-call 0 < 2026.2.3

References

https://github.com/openclaw/openclaw/security/advisories/...
vendor-advisory
https://github.com/openclaw/openclaw/commit/a749db9820eb6...
patch
https://www.vulncheck.com/advisories/openclaw-voice-call-...
third-party-advisory

CVSS V4

Score:
8.2
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

@0x5t
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