Mantis Bug Tracker (MantisBT) is an open source issue tracker. Using a crafted POST request, an unprivileged, registered user is able to retrieve information about other usersβ personal system profiles. This vulnerability is fixed in 2.26.4.
github.com/mantisbt/mantisbt/commit/ef0f820284032350cc20a39ff9cb2010d5463b41
github.com/mantisbt/mantisbt/security/advisories/GHSA-h5q3-fjp4-2x7r
mantisbt.org/bugs/view.php?id=34640