CVE-2026-27802 | BDVDB-2026-318345 Detail

dani-garciavaultwarden

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact low. Attack vector: network.

Weaknesses#

CWE-269 Improper Privilege Management
CWE-863 Incorrect Authorization

References#

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

Exploit#

No public exploit known

History#

Version 12026-03-04Record published in the CVE List.
Version 22026-03-05Most recent update recorded in the CVE List.

Published

Published: 2026-03-04
Last modified: 2026-03-05

Vendor information

Vendor: dani-garcia
Product: vaultwarden

All dani-garcia vulnerabilities

Score

8.3 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 26.8.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Privilege Escalation

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 1.35.4
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

8.3 High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	Low

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).