CVE-2026-27803

EUVD-2026-9503
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.3 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
dani-garciavaultwarden
𝑥
< 1.35.4
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-h4hq-rgvh-wh27