Executive brief
Vaultwarden has Unauthorized Access via Partial Update API on Another User’s Cipher
Affected products
- crates.io vaultwarden
Junglewise Threat Intelligence
CVE-2026-27898: Vaultwarden has Unauthorized Access via Partial Update API on Another User’s Cipher
CVE-2026-27898 · Severity: low · CVSS 3.1 · Published 2026-03-04
Technologies: vaultwarden (crates.io). Vendors: crates.io.
Related threats
- Vaultwarden's Collection Management Operations Allowed Without `manage` Verification for Manager Role
- Vaultwarden has Privilege Escalation via Bulk Permission Update to Unauthorized Collections by Manager
- Vaultwarden has 2FA Bypass on Protected Actions due to Faulty Rate Limit Enforcement
- Vaultwarden HTML injection vulnerability
- Vaultwarden vulnerable to user impersonation