{"id":"CVE-2026-71959","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-71959","generatedAt":"2026-10-28T00:25:52.302Z","title":"Bitwarden Server before 2026.7.2 does not verify that the caller is a member of the organization identified in a POST /collect request body, allowing any authenticated user to write forged, arbitrarily backdated entries into any organization's audit log.","description":"Bitwarden Server before 2026.7.2 does not verify that the caller is a member of the organization identified in a POST /collect request body, allowing any authenticated user to write forged, arbitrarily backdated entries into any organization's audit log.","published":"2026-08-10T14:17:27.000Z","lastModified":"2026-10-24T15:10:00.000Z","status":"Awaiting Analysis","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":6.9,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-862"],"affected":[],"epss":{"score":0.00476,"percentile":0.4087,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.48%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/bitwarden/server/commit/2aa92a3c8675a28e305e8207ff16592227f96291","source":"disclosure@vulncheck.com"},{"url":"https://github.com/bitwarden/server/pull/7934","source":"disclosure@vulncheck.com"},{"url":"https://github.com/bitwarden/server/releases/tag/v2026.7.2","source":"disclosure@vulncheck.com"},{"url":"https://sanjokkarki.com.np/blog/bitwarden-audit-log-forgery","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/bitwarden-server-audit-log-injection-via-post-collect","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-71959","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}