CVE-2026-27802HIGH 8.3EPSS p20.7%

CVE-2026-27802CVE-2026-27802

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.

Scoring

CVSS 3.18.3 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
EPSS0.29% probability of exploitation · percentile 20.7% · 2026-06-19T12:03:05Z
Published2026-03-04
Last modified2026-03-06

Underlying weaknesses· 2

CWE-269CWE-863

References

  1. https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-r32r-j5jq-3w4m

2

TypeTargetConfidenceTier
WeaknessImproper Privilege Managementcwe-2690%live
WeaknessIncorrect Authorizationcwe-8630%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.