Vulnerability in Dani-garcia Vaultwarden

CVE-2026-43914

Vaultwarden is a Bitwarden-compatible server written in Rust. Prior to 1.35.4, there is a security vulnerability in Vaultwarden that allows bypassing the login brute-force protection if email 2fa is enabled. If email 2fa is enabled, the un…

EPSS: 0.000 (15.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-43914?
CVE-2026-43914 is a high-severity vulnerability in Dani-garcia Vaultwarden, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 7.3/10. Published 2026-05-11.
How severe is CVE-2026-43914?
High severity. CVSS v3 base score is 7.3 out of 10.