What is CVE-2026-26012?

CVE-2026-26012 is a medium-severity vulnerability in Dani-garcia Vaultwarden, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-02-11.

How severe is CVE-2026-26012?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Dani-garcia Vaultwarden

CVE-2026-26012

vaultwarden is an unofficial Bitwarden compatible server written in Rust, formerly known as bitwarden_rs. Prior to 1.35.3, a regular organization member can retrieve all ciphers within an organization, regardless of collection permissions…

Vulnerability class: Broken Access Control

EPSS: 0.000 (2.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Dani-garcia Vaultwarden — versions < 1.35.3

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-h265-g7rm-h337 (x_refsource_CONFIRM)
https://github.com/dani-garcia/vaultwarden/releases/tag/1.35.3 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-26012?: CVE-2026-26012 is a medium-severity vulnerability in Dani-garcia Vaultwarden, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-02-11.
How severe is CVE-2026-26012?: Medium severity. CVSS v3 base score is 6.5 out of 10.