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Openclaw CVE-2026-28465

MEDIUM
Authentication Bypass by Spoofing (CWE-290)
2026-03-05 disclosure@vulncheck.com GHSA-3m3q-x3gj-f79x
Authentication Bypass Openclaw
5.9
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 22:06 vuln.today
Patch released
Mar 10, 2026 - 18:18 nvd
Patch available
CVE Published
Mar 05, 2026 - 22:16 nvd
MEDIUM 5.9

DescriptionNVD

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.

AnalysisAI

OpenClaw voice-call plugin versions before 2026.2.3 allow remote attackers to forge webhook events by exploiting improper authentication in reverse-proxy environments where forwarded headers are implicitly trusted. An unauthenticated attacker can manipulate Forwarded or X-Forwarded-* headers to bypass webhook verification and spoof legitimate events. …

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RemediationAI

Within 30 days: Identify affected systems running versions and apply vendor patches as part of regular patch cycle. Vendor patch is available.

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CVE-2026-28465 vulnerability details – vuln.today
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