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VULNERABILITIES

CVE-2026-43640 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/bitwarden/server/commit/eb251d9bf80724c87b187661783b9354d1784083 [email protected]Patch
https://github.com/bitwarden/server/pull/7403 [email protected]Issue TrackingPatch
https://github.com/bitwarden/server/releases/tag/v2026.4.1 [email protected]Release Notes
https://sanjokkarki.com.np/blog/bitwarden-scim-key-bypass [email protected]ExploitThird Party Advisory
https://www.vulncheck.com/advisories/bitwarden-server-authentication-bypass-via-scim-api-key [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-303Incorrect Implementation of Authentication Algorithm[email protected]

Affected Products

ProductVersions
bitwarden server
< 2026.4.1

CPE

  • cpe:2.3:a:bitwarden:server:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-43640
NVD Published Date:
May 11, 2026
NVD Last Modified:
Jul 14, 2026
Source:
[email protected]
CVE-2026-43640 Details - Not Deferred