{"id":"CVE-2026-34970","aliases":["EUVD-2026-31005","GHSA-crmx-4p49-46m2"],"status":"published","title":"MantisBT Bugnote Revision Page Leaks Private Issue Metadata After Issue Access Is Revoked","description":"Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions 2.28.1 and prior allow a bugnote author to access the note's Revisions page after losing access to the parent private issue. This issue has been fixed in version 2.28.2.","severity":{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00372,"percentile":0.31562,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200"],"published":"2026-05-11T19:33:10Z","modified":"2026-10-28T02:30:57Z","fixes":[{"ecosystem":"Packagist","package":"mantisbt/mantisbt","fixed_in":["2.28.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"mantisbt/mantisbt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.28.1"},{"fixed":"2.28.2"}]}]},{"source":"osv","ecosystem":"Packagist","package":"mantisbt/mantisbt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.28.2"}]}],"versions":["2.10.0","2.10.1","2.11.0","2.11.1","2.12.0","2.12.1","2.12.2","2.13.0","2.13.1","2.13.2","2.14.0","2.15.0","2.15.1","2.16.0","2.16.1","2.17.0","2.17.1","2.17.2","2.18.0","2.18.1","2.19.0","2.19.1","2.20.0","2.20.1","2.21.0","2.21.1","2.21.2","2.21.3","2.22.0","2.22.1","2.22.2","2.23.0","2.23.1","2.24.0","2.24.1","2.24.2","2.24.3","2.24.4","2.24.5","2.25.0","2.25.1","2.25.2","2.25.3","2.25.4","2.25.5","2.25.6","2.25.7","2.25.8","2.26.0","2.26.1","2.26.2","2.26.3","2.26.4","2.27.0","2.27.1","2.27.2","2.27.3","2.28.0","2.28.1","2.3.0","2.3.1","2.3.2","2.3.3","2.4.0","2.4.1","2.4.2","2.5.0","2.5.1","2.5.2","2.6.0","2.7.0","2.7.1","2.8.0","2.8.1","2.9.0","2.9.1"]}],"products":[{"vendor":"mantisbt","product":"mantisbt"}],"references":[{"url":"https://github.com/mantisbt/mantisbt/security/advisories/GHSA-crmx-4p49-46m2","tags":["x_refsource_CONFIRM","advisory","web"]},{"url":"https://github.com/mantisbt/mantisbt/commit/71df1f67e05b2050cd4bd87839e6cc13747cf03f","tags":["x_refsource_MISC","fix","web"]},{"url":"https://mantisbt.org/bugs/view.php?id=36978","tags":["x_refsource_MISC","exploit","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34970","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-crmx-4p49-46m2"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34970.json","tags":["advisory"]},{"url":"https://github.com/mantisbt/mantisbt","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-34970","title":"MantisBT Bugnote Revision Page Leaks Private Issue Metadata After Issue Access Is Revoked","description":"Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions 2.28.1 and prior allow a bugnote author to access the note's Revisions page after losing access to the parent private issue. This issue has been fixed in version 2.28.2.","status":"published","published":"2026-05-19T23:17:59.549Z","modified":"2026-05-20T13:04:48.598Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:20:13.962274Z"}],"euvd":[{"id":"EUVD-2026-31005","description":"Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions 2.28.1 and prior allow a bugnote author to access the note's Revisions page after losing access to the parent private issue. This issue has been fixed in version 2.28.2.","status":"published","published":"2026-05-19T23:17:59Z","modified":"2026-05-20T13:04:48Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:21:14.831553Z"}],"ghsa":[{"id":"GHSA-crmx-4p49-46m2","title":"MantisBT: Bugnote Revision Page Leaks Private Issue Metadata After Issue Access Is Revoked","description":"MantisBT allows a bugnote author to access the note's Revisions page after losing access to the parent private issue.\n\n### Impact\nDisclosure of the private Issue's Id and Summary. The bugnote full revision body remains secure.\n\n### Patches\n- 71df1f67e05b2050cd4bd87839e6cc13747cf03f\n\n### Workarounds\nNone\n\n### Credits \nThanks to Vishal Shukla for discovering and responsibly reporting the issue.","status":"published","published":"2026-05-11T19:33:10Z","modified":"2026-06-05T14:12:39Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:40:16.698699Z"}],"nvd":[{"id":"CVE-2026-34970","description":"Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions 2.28.1 and prior allow a bugnote author to access the note's Revisions page after losing access to the parent private issue. This issue has been fixed in version 2.28.2.","status":"published","published":"2026-05-20T00:16:35.56Z","modified":"2026-07-24T09:10:00.153Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:12:19.752984Z"}],"osv":[{"id":"CVE-2026-34970","title":"MantisBT Bugnote Revision Page Leaks Private Issue Metadata After Issue Access Is Revoked","description":"Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions 2.28.1 and prior allow a bugnote author to access the note's Revisions page after losing access to the parent private issue. This issue has been fixed in version 2.28.2.","status":"published","published":"2026-05-19T23:17:59.549Z","modified":"2026-10-28T02:30:57.168586113Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:45:02.673625Z"},{"id":"GHSA-crmx-4p49-46m2","title":"MantisBT: Bugnote Revision Page Leaks Private Issue Metadata After Issue Access Is Revoked","description":"MantisBT allows a bugnote author to access the note's Revisions page after losing access to the parent private issue.\n\n### Impact\nDisclosure of the private Issue's Id and Summary. The bugnote full revision body remains secure.\n\n### Patches\n- 71df1f67e05b2050cd4bd87839e6cc13747cf03f\n\n### Workarounds\nNone\n\n### Credits \nThanks to Vishal Shukla for discovering and responsibly reporting the issue.","status":"published","published":"2026-05-11T19:33:10Z","modified":"2026-09-10T03:51:05.34897123Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:46:45.28161Z"}]}}