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.
History

Wed, 13 May 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 11 May 2026 20:00:00 +0000

Type Values Removed Values Added
First Time appeared Bitwarden
Bitwarden server
Vendors & Products Bitwarden
Bitwarden server

Mon, 11 May 2026 18:00:00 +0000

Type Values Removed Values Added
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.
Title Bitwarden Server < 2026.4.1 Authentication Bypass via SCIM API Key
Weaknesses CWE-303
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-05-11T17:14:37.931Z

Updated: 2026-05-13T14:41:09.065Z

Reserved: 2026-05-01T18:22:45.642Z

Link: CVE-2026-43640

cve-icon Vulnrichment

Updated: 2026-05-13T12:39:00.355Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-05-11T18:16:37.110

Modified: 2026-05-13T15:29:03.597

Link: CVE-2026-43640

cve-icon Redhat

No data.