{"id":"CVE-2026-57921","aliases":["EUVD-2026-39653","GHSA-q339-r244-45h2"],"status":"published","title":"In JetBrains YouTrack before 2026.2.16593 improper access control allowed reading users' private...","description":"In JetBrains YouTrack before 2026.2.16593 improper access control allowed reading users' private data via the comment templates endpoint","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00299,"percentile":0.22927,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-06-26T12:38:17Z","modified":"2026-10-25T22:10:00Z","products":[{"vendor":"jetbrains","product":"youtrack"}],"references":[{"url":"https://www.jetbrains.com/privacy-security/issues-fixed/","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-57921"},{"url":"https://www.jetbrains.com/privacy-security/issues-fixed"},{"url":"https://github.com/advisories/GHSA-q339-r244-45h2"}],"sources":{"cve":[{"id":"CVE-2026-57921","description":"In JetBrains YouTrack before 2026.2.16593 improper access control allowed reading users' private data via the comment templates endpoint","status":"published","published":"2026-06-26T12:38:17.373Z","modified":"2026-06-26T13:46:22.254Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T13:43:56.024247Z"}],"euvd":[{"id":"EUVD-2026-39653","description":"In JetBrains YouTrack before 2026.2.16593 improper access control allowed reading users' private data via the comment templates endpoint","status":"published","published":"2026-06-26T12:38:17Z","modified":"2026-06-26T13:46:22Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T18:20:24.495602Z"}],"ghsa":[{"id":"GHSA-q339-r244-45h2","title":"In JetBrains YouTrack before 2026.2.16593 improper access control allowed reading users' private...","description":"In JetBrains YouTrack before 2026.2.16593 improper access control allowed reading users' private data via the comment templates endpoint","status":"published","published":"2026-06-26T15:32:13Z","modified":"2026-06-26T15:32:14Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:09:00.559973Z"}],"nvd":[{"id":"CVE-2026-57921","description":"In JetBrains YouTrack before 2026.2.16593 improper access control allowed reading users' private data via the comment templates endpoint","status":"published","published":"2026-06-26T14:17:06.787Z","modified":"2026-10-25T22:10:00.15Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:26.045561Z"}]}}