Auth bypass in Dani-garcia Vaultwarden
CVE-2026-33420
Vaultwarden is a Bitwarden-compatible server written in Rust. In version 1.35.4 and earlier, the get_org_collections_details endpoint (GET /api/organizations/{org_id}/collections/details) is missing the has_full_access() authorization chec…
Vulnerability class: Broken Access Control
EPSS: 0.000 (10.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Dani-garcia Vaultwarden — versions < 1.35.5
Weakness classification (CWE)
References
- https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-jjxg-p3v6-52ww (x_refsource_CONFIRM, Mitigation, Vendor Advisory)
- https://github.com/dani-garcia/vaultwarden/releases/tag/1.35.5 (Product, x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-33420?
- CVE-2026-33420 is a medium-severity vulnerability in Dani-garcia Vaultwarden, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-05-05.
- How severe is CVE-2026-33420?
- Medium severity. CVSS v3 base score is 5.3 out of 10.