CVE-2026-54585
mport sample file handling can write outside the configured root
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
mport is the MidnightBSD Package Manager. Prior to 2.7.8, create_sample_file() in libmport/bundle_read_install_pkg.c did not constrain absolute source and destination paths from the sample-file manifest directive to mport->root. A malicious or malformed package manifest could therefore direct privileged sample-file handling to copy or write outside the configured installation root, compromising local filesystem integrity. This issue is fixed in version 2.7.8.
| CWE | CWE-22 |
| Vendor | midnightbsd |
| Product | mport |
| Published | Sep 17, 2026 |
| Last Updated | Sep 17, 2026 |
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Affected Versions
MidnightBSD / mport
< 2.7.8
References
github.com: https://github.com/MidnightBSD/mport/security/advisories/GHSA-xqjc-rxmm-p27v github.com: https://github.com/MidnightBSD/mport/pull/122 github.com: https://github.com/MidnightBSD/mport/commit/36a42c8ddbd23ee9eb72c4c17596eb92cb423cf0 github.com: https://github.com/MidnightBSD/mport/releases/tag/2.7.8