CSRF in Dani-Garcia Vaultwarden
CVE-2026-47158
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.
Vulnerability class: CSRF (Cross-Site Request Forgery)
EPSS: 0.003 (16.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H.
Affected products
- Dani-garcia Vaultwarden — versions < 1.36.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-47158?
- CVE-2026-47158 is a high-severity vulnerability in Dani-Garcia Vaultwarden, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.3/10. Published 2026-07-15.
- How severe is CVE-2026-47158?
- High severity. CVSS v3 base score is 8.3 out of 10.