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CVE

CVE-2026-27803

Vaultwarden: Collection Management Operations Allowed Without `manage` Verification for Manager Role
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CVE

CVE-2026-27803

Vaultwarden: Collection Management Operations Allowed Without `manage` Verification for Manager Role

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.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
8.3
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
C
H
U
-

Related Resources

No items found.

References

https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27803.json, https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-h4hq-rgvh-wh27, https://nvd.nist.gov/vuln/detail/CVE-2026-27803

Severity

8.3

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
8.3
EPSS Probability
0.0006%
EPSS Percentile
0.18986%
Introduced Version
0
Fix Available
c555f7d1980c8ab3ac8d64b0297e47c621590368

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