๐Ÿ” CVE Alert

CVE-2026-28475

MEDIUM 4.8

OpenClaw < 2026.2.13 - Timing Attack via Hook Token Comparison

CVSS Score
4.8
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-208
Vendor openclaw
Product openclaw
Published Mar 5, 2026
Last Updated Mar 9, 2026
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CVSS v3 Breakdown

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

Affected Versions

OpenClaw / OpenClaw
0 < 2026.2.13

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/openclaw/openclaw/security/advisories/GHSA-47q7-97xp-m272 github.com: https://github.com/openclaw/openclaw/commit/113ebfd6a23c4beb8a575d48f7482593254506ec vulncheck.com: https://www.vulncheck.com/advisories/openclaw-timing-attack-via-hook-token-comparison

Credits

๐Ÿ” Francois Paul Lambert (@Abeyron)