{"id":"CVE-2026-43640","title":"Bitwarden Server < 2026.4.1 Authentication Bypass via SCIM API Key","summary":"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 onl…","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","cvssSource":"cna","cwe":["CWE-303"],"vendor":"bitwarden","product":"server","affected":["server < 2026.4.1"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"total","timestamp":"2026-05-13T12:38:55.932890Z"},"exploitAvailable":true,"published":"2026-05-11","updated":"2026-11-08","sourceUpdated":"2026-11-08T14:03:31.946Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-43640","references":[{"url":"https://sanjokkarki.com.np/blog/bitwarden-scim-key-bypass"},{"url":"https://github.com/bitwarden/server/releases/tag/v2026.4.1","label":"server 2026.4.1 Release Notes"},{"url":"https://github.com/bitwarden/server/pull/7403"},{"url":"https://github.com/bitwarden/server/commit/eb251d9bf80724c87b187661783b9354d1784083"},{"url":"https://www.vulncheck.com/advisories/bitwarden-server-authentication-bypass-via-scim-api-key"}],"tags":["cve.org","exploit-available"],"epss":0.00504,"epssPercentile":0.43338,"ingestedAt":"2026-11-08T14:51:22.427Z","slug":"CVE-2026-43640","body":"## Overview\n\nBitwarden 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.\n\n## Affected\n\n- `server < 2026.4.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":57,"depthScoreParts":{"impact":44.6,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[]}