CVE-2026-95814 Vaultwarden - Broken Access Control

Vaultwarden through 1.37.3 contains a broken access control vulnerability caused by omission of organization membership status validation in cipher access queries, letting revoked or pending members retain unauthorized cipher access, exploit requires revoked or pending membership.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.43% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Broken Access Control, Data Tampering, Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Published
22 September 2026
Updated
15 October 2026
Weakness
CWE-863

Vendor fix

Update to a version later than 1.37.3 or the latest available version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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