What’s Vulnerable › Vulnerabilities
CVE-2026-27803: Vaultwarden: Collection Management Operations Allowed Without `manage` Verification for Manager Role
- Severity: high (CVSS 8.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-03-04 · updated 2026-06-17
- Weakness: CWE-269
Description
Vaultwarden is an unofficial Bitwarden compatible server written in Rust, formerly known as bitwarden_rs. Prior to version 1.35.4, when a Manager has manage=false for a given collection, they can still perform several management operations as long as they have access to the collection. This issue has been patched in version 1.35.4.
Affected products
- dani-garcia vaultwarden: before 1.35.4 — fixed in 1.35.4
How to fix
Upgrade to a fixed version: dani-garcia vaultwarden 1.35.4. Check the vendor advisory for mitigations.
References
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