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8.2
OpenClaw versions prior to 2026.2.12 allow attackers to guess secret tokens
CVE-2026-28464
GHSA-jmm5-fvh5-gf4p
Summary
Older versions of OpenClaw software don't protect sensitive tokens well. This makes it possible for hackers to guess the token by measuring how long the system takes to respond to different inputs. Update to the latest version to fix this and protect your tokens.
What to do
- Update steipete openclaw to version 2026.2.12.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| steipete | openclaw | <= 2026.2.12 | 2026.2.12 |
| openclaw | openclaw | <= 2026.2.12 | – |
Original title
OpenClaw versions prior to 2026.2.12 use non-constant-time string comparison for hook token validation, allowing attackers to infer tokens through timing measurements. Remote attackers with network...
Original description
OpenClaw versions prior to 2026.2.12 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 determine the authentication token.
nvd CVSS3.1
5.9
nvd CVSS4.0
8.2
Vulnerability type
CWE-208
- https://nvd.nist.gov/vuln/detail/CVE-2026-28464
- https://github.com/advisories/GHSA-jmm5-fvh5-gf4p
- https://github.com/openclaw/openclaw/commit/113ebfd6a23c4beb8a575d48f74825932545...
- https://github.com/openclaw/openclaw/security/advisories/GHSA-jmm5-fvh5-gf4p
- https://www.vulncheck.com/advisories/openclaw-timing-attack-in-hooks-token-authe...
Published: 5 Mar 2026 · Updated: 11 Mar 2026 · First seen: 6 Mar 2026