{"id":"CVE-2026-54582","published":"2026-09-17T17:16:43.440","lastModified":"2026-09-17T21:15:06.427","description":"mport is the MidnightBSD Package Manager. Prior to 2.7.8, package installation lacked a preflight check for incoming non-directory assets that already existed on disk. The affected logic across libmport/check_preconditions.c, libmport/install_primative.c, and libmport/mport_private.h did not apply MPORT_PRECHECK_FILE_CONFLICTS, so a crafted or conflicting package could overwrite a file owned by another package or unmanaged by mport. The check is bypassed only when the operator explicitly enables mport->force. Privileged installation without that override could compromise local filesystem integrity and package database consistency. This issue is fixed in version 2.7.8.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":["CWE-73","CWE-668"],"vendors":[],"products":[],"references":[{"url":"https://github.com/MidnightBSD/mport/commit/c643312d149dcc994957dbafa8f6f6b61e945e39","tags":[]},{"url":"https://github.com/MidnightBSD/mport/pull/131","tags":[]},{"url":"https://github.com/MidnightBSD/mport/releases/tag/2.7.8","tags":[]},{"url":"https://github.com/MidnightBSD/mport/security/advisories/GHSA-5773-7r4r-rpgx","tags":[]}],"exploitRefs":[{"url":"https://github.com/MidnightBSD/mport/commit/c643312d149dcc994957dbafa8f6f6b61e945e39","tags":[]},{"url":"https://github.com/MidnightBSD/mport/pull/131","tags":[]},{"url":"https://github.com/MidnightBSD/mport/releases/tag/2.7.8","tags":[]},{"url":"https://github.com/MidnightBSD/mport/security/advisories/GHSA-5773-7r4r-rpgx","tags":[]}],"hasPoc":true,"ai":null}