{"id":"CVE-2026-42070","summary":"MantisBT: Authorization Bypass in Bugnote Editing via Issue Update API","details":"Mantis Bug Tracker (MantisBT) is an open source issue tracker. Prior to 2.28.2, the mc_issue_update() function in MantisBT allows users having update_bug_threshold access (UPDATER, with default settings) to edit, change view state, and modify time tracking on bugnotes belonging to other users — bypassing the default DEVELOPER (level 55) threshold required by the dedicated mc_issue_note_update() function. This vulnerability is fixed in 2.28.2.","aliases":["GHSA-pq86-j2c2-47f6"],"modified":"2026-08-12T03:51:32.862877666Z","published":"2026-05-28T20:28:20.369Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-863"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42070.json"},"references":[{"type":"WEB","url":"https://mantisbt.org/bugs/view.php?id=37089"},{"type":"WEB","url":"https://mantisbt.org/bugs/view.php?id=37093"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42070.json"},{"type":"ADVISORY","url":"https://github.com/mantisbt/mantisbt/security/advisories/GHSA-pq86-j2c2-47f6"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42070"},{"type":"FIX","url":"https://github.com/mantisbt/mantisbt/commit/6e58fae4f22efdc3987f903c8ba2611de17a9435"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mantisbt/mantisbt","events":[{"introduced":"0"},{"fixed":"6e58fae4f22efdc3987f903c8ba2611de17a9435"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"2.28.2"}],"source":["AFFECTED_FIELD","REFERENCES"]}}],"versions":["release-2.28.1","release-2.28.0","release-2.27.0","release-2.26.0","release-2.25.0","release-2.24.0","release-2.23.0","release-2.22.0","release-2.21.0","release-2.20.0","release-2.19.0","release-2.18.0","release-2.17.0","release-2.16.0","release-2.15.0","release-2.14.0","release-2.13.0","release-2.12.0","release-2.11.0","release-2.10.0","release-2.9.0","release-2.8.0","release-2.7.0","release-2.6.0","release-2.5.0","release-2.4.0","release-2.3.0","release-2.2.0","release-2.1.0","release-2.0.0","release-2.0.0-rc.2","release-2.0.0-rc.1","release-2.0.0-beta.3","release-2.0.0-beta.2","release-2.0.0-beta.1","release-1.3.0-rc.2","release-1.3.0-rc.1","release-1.3.0-beta.3","release-1.3.0-beta.2","release-1.3.0-beta.1","release-1.2.0rc1","release-1.2.0a3","release-1.2.0a2","release-1.2.0a1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-42070.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N"}]}