8.6

CVE-2026-43640

Exploit

Bitwarden Server < 2026.4.1 Authentication Bypass via SCIM API Key

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Bitwarden ≫ Server Version < 2026.4.1
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.5% 0.39
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
disclosure@vulncheck.com 8.1 2.8 5.2
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
disclosure@vulncheck.com 8.6 0 0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE-303 Incorrect Implementation of Authentication Algorithm

The requirements for the product dictate the use of an established authentication algorithm, but the implementation of the algorithm is incorrect.

https://github.com/bitwarden/server/releases/tag/v2026.4.1
Release Notes
https://github.com/bitwarden/server/commit/eb251d9bf80724c87b187661783b9354d1784083
Patch
https://github.com/bitwarden/server/pull/7403
Patch
Issue Tracking
https://sanjokkarki.com.np/blog/bitwarden-scim-key-bypass
Third Party Advisory
Exploit
https://www.vulncheck.com/advisories/bitwarden-server-authentication-bypass-via-scim-api-key
Third Party Advisory