Description
Bitwarden Server prior to v2026.4.1 does not require master-password re-authentication when retrieving or rotating an organization's SCIM API key, allowing an authenticated user with SCIM management privileges to obtain the key using only a valid session.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| bitwarden | server | < 2026.4.1 | 2026.4.1 |
Advisories 1
- WID-SEC-2026-1465 Bitwarden: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 11, 2026
References
- https://sanjokkarki.com.np/blog/bitwarden-scim-key-bypass technical-description exploit
- server 2026.4.1 Release Notes release-notes
- https://github.com/bitwarden/server/pull/7403 issue-tracking patch
- https://github.com/bitwarden/server/commit/eb251d9bf80724c87b187661783b9354d1784083 patch
- https://www.vulncheck.com/advisories/bitwarden-server-authentication-bypass-via-scim-api-key third-party-advisory