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CVE

CVE-2026-27802

Vaultwarden: Privilege Escalation via Bulk Permission Update to Unauthorized Collections by Manager
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CVE

CVE-2026-27802

Vaultwarden: Privilege Escalation via Bulk Permission Update to Unauthorized Collections by Manager

Vaultwarden is an unofficial Bitwarden compatible server written in Rust, formerly known as bitwarden_rs. Prior to version 1.35.4, there is a privilege escalation vulnerability via bulk permission update to unauthorized collections by Manager. 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-2026-27802.json, https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-r32r-j5jq-3w4m, https://nvd.nist.gov/vuln/detail/CVE-2026-27802

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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