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CVE-2026-27802

Vaultwarden: Privilege Escalation via Bulk Permission Update to Unauthorized Collections by Manager

Published: Mar 4, 2026Updated: Mar 5, 2026 Sources: CVE List NVD GHSACWE-269
NVD MITRE
8.3CVSSHIGH
EPSS Score
0.3%
Top 79.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Vaultwarden has Privilege Escalation via Bulk Permission Update to Unauthorized Collections by Manager

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:LAvailability
Low
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Weaknesses

CWE-269CWE-863

Affected Products

vaultwardencrates.ioOSS Libraries
vaultwardendani-garcia
On-prem
Security Products / identity-access-mgmt
crates.iopackage-ecosystemOSS Libraries
dani-garciaoss-projectSecurity Productsaka vaultwarden

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

3 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

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

Timeline

Published
Mar 4, 2026
Last Updated
Mar 5, 2026

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