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Openclaw CVE-2026-28475

MEDIUM
Observable Timing Discrepancy (CWE-208)
2026-03-05 disclosure@vulncheck.com GHSA-47q7-97xp-m272
Information Disclosure Openclaw
4.8
CVSS 3.1
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CVSS VectorNVD

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

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 22:06 vuln.today
Patch released
Mar 11, 2026 - 16:17 nvd
Patch available
CVE Published
Mar 05, 2026 - 22:16 nvd
MEDIUM 4.8

DescriptionNVD

OpenClaw versions prior to 2026.2.13 use non-constant-time string comparison for hook token validation, allowing attackers to infer tokens through timing measurements. Remote attackers with network access to the hooks endpoint can exploit timing side-channels across multiple requests to gradually recover the authentication token.

AnalysisAI

OpenClaw versions before 2026.2.13 are vulnerable to timing side-channel attacks on hook token validation due to use of non-constant-time string comparison. Remote attackers can exploit this weakness by measuring response times across multiple requests to gradually recover authentication tokens for the hooks endpoint. …

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RemediationAI

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

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CVE-2026-28475 vulnerability details – vuln.today
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