CVE-2026-34511

MEDIUM

5.3

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.15.3

SeveridadeMEDIUM

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

Vetor de ataqueNETWORK

ComplexidadeHIGH

Privilegios necessariosNONE

Interacao do usuarioREQUIRED

Publicado4/3/2026

Ultima modificacao4/3/2026

Fontenvd

Avistamentos honeypot0

Fraquezas (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)

Correlacoes IOC

Sem correlacoes registradas

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