What is CVE-2026-43913?

CVE-2026-43913 is a high-severity vulnerability in Dani-garcia Vaultwarden, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-05-11.

How severe is CVE-2026-43913?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Dani-garcia Vaultwarden

CVE-2026-43913

Vaultwarden is a Bitwarden-compatible server written in Rust. Prior to 1.35.5, Vaultwarden allows an unconfirmed organization owner to purge the entire organization vault. The organization invite flow uses a two-step process: accepting an…

Vulnerability class: Broken Access Control

EPSS: 0.000 (14.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Dani-garcia Vaultwarden — versions < 1.35.5

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-43913?: CVE-2026-43913 is a high-severity vulnerability in Dani-garcia Vaultwarden, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-05-11.
How severe is CVE-2026-43913?: High severity. CVSS v3 base score is 8.1 out of 10.