{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "2026.7.2"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "ffc280d2891270f7248812263aa1140e49f9c776"
            },
            {
              "fixed": "2aa92a3c8675a28e305e8207ff16592227f96291"
            }
          ],
          "repo": "https://github.com/bitwarden/server",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-862"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/71xxx/CVE-2026-71959.json"
  },
  "details": "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.",
  "id": "CVE-2026-71959",
  "modified": "2026-08-19T03:31:01.766837669Z",
  "published": "2026-08-10T13:56:05.142Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/71xxx/CVE-2026-71959.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/bitwarden/server/releases/tag/v2026.7.2"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-71959"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/bitwarden-server-audit-log-injection-via-post-collect"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/bitwarden/server/pull/7934"
    },
    {
      "type": "FIX",
      "url": "https://github.com/bitwarden/server/commit/2aa92a3c8675a28e305e8207ff16592227f96291"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/bitwarden/server"
    },
    {
      "type": "EVIDENCE",
      "url": "https://sanjokkarki.com.np/blog/bitwarden-audit-log-forgery"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Bitwarden Server \u003c 2026.7.2 Audit Log Injection via POST /collect"
}