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6.3
OpenClaw versions prior to 2026.2.13: Attackers can steal sensitive tokens
CVE-2026-28475
GHSA-47q7-97xp-m272
Summary
OpenClaw versions before 2026.2.13 have a security flaw that allows hackers to guess and steal authentication tokens. This can happen if an attacker has access to the system's network. To protect your system, update to OpenClaw version 2026.2.13 or later.
What to do
- Update steipete openclaw to version 2026.2.13.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| steipete | openclaw | <= 2026.2.13 | 2026.2.13 |
| openclaw | openclaw | <= 2026.2.13 | – |
Original title
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...
Original description
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.
nvd CVSS3.1
4.8
nvd CVSS4.0
6.3
Vulnerability type
CWE-208
- https://nvd.nist.gov/vuln/detail/CVE-2026-28475
- https://github.com/advisories/GHSA-47q7-97xp-m272
- https://github.com/openclaw/openclaw/commit/113ebfd6a23c4beb8a575d48f74825932545...
- https://github.com/openclaw/openclaw/security/advisories/GHSA-47q7-97xp-m272
- https://www.vulncheck.com/advisories/openclaw-timing-attack-via-hook-token-compa...
Published: 5 Mar 2026 · Updated: 13 Mar 2026 · First seen: 6 Mar 2026