CVE-2026-47158
Vaultwarden: CSRF in SSO Authorization Flow
Description
Vaultwarden is a Bitwarden-compatible server written in Rust. Prior to 1.36.0, Vaultwarden's SSO authorization flow did not bind the OAuth state parameter accepted by /connect/authorize to the initiating browser session, allowed attacker-controlled PKCE parameters, and left SsoAuth records intact after failed token exchange, allowing an unauthenticated attacker to induce IdP authentication and redeem tokens for a fully authenticated session. This issue is fixed in version 1.36.0.
INFO
Published Date :
July 15, 2026, 3:01 p.m.
Last Modified :
July 15, 2026, 3:01 p.m.
Remotely Exploit :
No
Source :
GitHub_M
Solution
- Update Vaultwarden to version 1.36.0 or later.
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