CVE-2026-54576 | BDVDB-2026-375620 Detail

Description#

mport is the MidnightBSD Package Manager. Prior to 2.7.8, do_actual_install() in libmport/bundle_read_install_pkg.c used path-based lstat(), chown(), stat(), and chmod() operations while installing package files. A local attacker with write access to a target directory could replace a checked file with a symlink before privileged ownership or mode changes were applied, redirecting those changes to an attacker-selected path and compromising filesystem integrity or permissions. This issue is fixed in version 2.7.8.

Impact#

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Exploit#

History#

1. Version 12026-09-17Record published in the CVE List.
2. Version 22026-09-18Most recent update recorded in the CVE List.