CVE-2026-27802

HIGH EPSS 20.9%
Published Mar 4, 20264mo ago · Modified Jun 17, 20262w ago
8.3 CVSS 3.1
High
Find Similar
Published Mar 4, 2026 4mo ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
8.3
Exploitability
2.8
Impact
5.5
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability Low

Threat Intelligence

EPSS Exploit Probability
20.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-269 Improper Privilege Management Authorization
CWE-863 Incorrect Authorization Authorization

Affected Products 1

VendorProductVersionRange
dani-garciavaultwarden* <1.35.4

References 1

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.