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HIGH · 8.3

CVE-2026-27803

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 stil...

Vulnerability 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.

CVSS Score

8.3

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
LOW

Affected Products

VendorProductVersions
Dani-GarciaVaultwarden< 1.35.4

Related Weaknesses (CWE)

CWE-269CWE-285CWE-863

References

FAQ

What is CVE-2026-27803?

CVE-2026-27803 is a vulnerability with a CVSS score of 8.3 (HIGH). 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 stil...

How severe is CVE-2026-27803?

CVE-2026-27803 has been rated HIGH with a CVSS base score of 8.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-27803?

Check the references section above for vendor advisories and patch information. Affected products include: Dani-Garcia Vaultwarden.