CVE-2026-34511 | BDVDB-2026-324689 Detail

Description#

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.

Impact#

Weaknesses#

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Exploit#

History#

1. Version 12026-04-03Record published in the CVE List.
2. Version 22026-09-24Most recent update recorded in the CVE List.