{"action":"Upgrade mantisbt/mantisbt to 2.28.2 or later.","affected":[{"fixed":"2.28.2","introduced":"0"}],"component":"mantisbt/mantisbt","cve_ids":["CVE-2026-34390"],"ecosystem":"Packagist","epss":0.00427,"exploited":false,"fixed_versions":["2.28.2"],"ghsa_id":"GHSA-frf7-jhp9-jxm6","id":"tcs_01M5KF21E0KN62QQHCW60CBDTV","modified_at":"2026-09-10T03:51:05.487969821Z","published_at":"2026-05-11T19:32:06Z","references":["https://osv.dev/vulnerability/GHSA-frf7-jhp9-jxm6","https://github.com/mantisbt/mantisbt/security/advisories/GHSA-frf7-jhp9-jxm6","https://nvd.nist.gov/vuln/detail/CVE-2026-34390","https://github.com/mantisbt/mantisbt/commit/69e0180f180ed5acf48a8d281a73683a7bf32461","https://github.com/mantisbt/mantisbt","https://mantisbt.org/bugs/view.php?id=36995","https://mantisbt.org/bugs/view.php?id=37002"],"severity":{"label":"medium","score":5.1},"sources":[{"source":"osv","source_id":"GHSA-frf7-jhp9-jxm6","url":"https://osv.dev/vulnerability/GHSA-frf7-jhp9-jxm6"},{"source":"nvd","source_id":"CVE-2026-34390","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34390"}],"summary":"MantisBT Vulnerable to Privilege Escalation from Manager to Administrator"}