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CVE-2026-27802
March 04, 2026
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.
Affected Packages
https://github.com/dani-garcia/vaultwarden.git (GITHUB):
Affected version(s) >=0.9.0 <1.35.4
Fix Suggestion:
Update to version 1.35.4
vaultwarden (RUST):
Affected version(s) =0.0.1 <1.35.4
Fix Suggestion:
Update to version 1.35.4
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
LOW
Weakness Type (CWE)
Incorrect Authorization
Improper Privilege Management
EPSS
Base Score:
0.04