VulnerabilityAnalyzed

CVE-2026-27802

Prior to version 1.35.4, there is a privilege escalation vulnerability via bulk permission update to unauthorized collections by Manager.

HIGH 8.3EPSS 0.29%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.29%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1: 8.3 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
EPSS: 0.29% probability · 22th percentile
CISA KEV: Not listed
Weakness: CWE-269, CWE-863
Affected: dani-garcia/vaultwarden
Source: security-advisories@github.com

References

https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-r32r-j5jq-3w4mVendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.