CVE-2026-34511

MEDIUM

5.3

Descripcion

OpenClaw before 2026.4.2 reuses the PKCE verifier as the OAuth state parameter in the Gemini OAuth flow, exposing it through the redirect URL. Attackers who capture the redirect URL can obtain both the authorization code and PKCE verifier, defeating PKCE protection and enabling token redemption.

Detalles CVE

Puntuacion CVSS v3.15.3

SeveridadMEDIUM

Vector CVSSCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Vector de ataqueNETWORK

ComplejidadHIGH

Privilegios requeridosNONE

Interaccion usuarioREQUIRED

Publicado4/3/2026

Ultima modificacion4/3/2026

Fuentenvd

Avistamientos honeypot0

Debilidades (CWE)

CWE-330

Referencias

https://github.com/openclaw/openclaw/commit/a26f4d0f3ef0757db6c6c40277cc06a5de76c52f(disclosure@vulncheck.com)

https://github.com/openclaw/openclaw/security/advisories/GHSA-9jpj-g8vv-j5mf(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/openclaw-pkce-verifier-exposure-via-oauth-state-parameter(disclosure@vulncheck.com)

Correlaciones IOC

Sin correlaciones registradas

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