CVE-2026-42071 — MantisBT: Private Bugnote Attachment Content Leak via REST API
Mantis Bug Tracker (MantisBT) is an open source issue tracker. From 2.23.0 to 2.28.1, a missing authorization check in MantisBT's file visibility function allows any authenticat…
Published: 2026-05-28 · CVSS: 7.2 · CVSS 4.0
Mantis Bug Tracker (MantisBT) is an open source issue tracker. From 2.23.0 to 2.28.1, a missing authorization check in MantisBT's file visibility function allows any authenticated user (REPORTER+) to download attachments on private bugnotes they should not be able to access, via the REST API endpoint GET /api/rest/issues/{id}/files and SOAP API mc_issue_attachment_get endpoint. This vulnerability is fixed in 2.28.2.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7