OpenClaw: Shared-secret comparison call sites leaked length information through timing
Summary
Before OpenClaw 2026.4.2, several shared-secret comparison call sites still used early length-mismatch checks instead of the shared fixed-length comparison helper. Those paths could leak secret-length information through measurable timing differences.
Impact
The affected paths exposed a low-severity timing side channel on secret comparison. The issue did not by itself demonstrate auth bypass, but it weakened the intended constant-time handling for shared secrets.
Affected Packages / Versions
- Package:
openclaw(npm) - Affected versions:
<= 2026.4.1 - Patched versions:
>= 2026.4.2 - Latest published npm version:
2026.4.1
Fix Commit(s)
be10ecef770a4654519869c3641bbb91087c8c7b— reuse the shared secret comparison helper at affected call sites
Release Process Note
The fix is present on main and is staged for OpenClaw 2026.4.2. Publish this advisory after the 2026.4.2 npm release is live.
Thanks @kexinoh of Tencent zhuque Lab (https://github.com/Tencent/AI-Infra-Guard) for reporting.
Software afectado
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| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Paquete de npm | openclaw | < 2026.4.2 | 2026.4.2 |
Referencias
- https://github.com/openclaw/openclaw/security/advisories/GHSA-jj6q-rrrf-h66h
- https://nvd.nist.gov/vuln/detail/CVE-2026-41407
- https://github.com/openclaw/openclaw/commit/be10ecef770a4654519869c3641bbb91087c8c7b
- https://github.com/openclaw/openclaw
- https://www.vulncheck.com/advisories/openclaw-timing-side-channel-in-shared-secret-comparison
- Vector CVSS
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N- Debilidad (CWE)
CWE-208- Plataforma
- npm
- Paquete
openclaw- Publicada
- 07.04.2026
- Actualizado
- 11.10.2026 10:22
Fuentes y licencias
OSV / GitHub Advisory Database - GHSA-jj6q-rrrf-h66h - CC BY 4.0
Historial de vulnerabilidades: openclaw
Todas las vulnerabilidades publicadas de este paquete (Paquete de npm), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.
- Entradas en total
- 588
- Primera → última
- 02.2026 07.2026
- Sin corrección
- 9
- Explotada en ataques
- 0
Distribución por gravedad
- Crítica 20
- Alta 215
- Media 299
- Baja 54
Divulgaciones por año
- 2026: 588
-
OpenClaw: Shared-secret comparison call sites leaked length information through timing esta entrada
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