CVE-2026-54586mport permits repository and package mirror fetches over insecure transport
Updated under an hour ago ()
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It affects MidnightBSD mport. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
mport is the MidnightBSD Package Manager. Prior to 2.7.8, the mport_fetch_index(), mport_fetch_bootstrap_index(), and mport_fetch_bundle() paths in libmport/fetch.c accepted non-HTTPS repository and package mirror URLs without a url_is_https() enforcement check. When a cleartext URL was configured or returned by mirror data, a network-positioned attacker could tamper with package index or package download traffic and compromise package selection or integrity. This issue is fixed in version 2.7.8.
- CVSS
- 6.0 MEDIUM (v4.0, CNA)CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
- Weakness (CWE)
- CWE-319, CWE-345
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- GitHub_M
- NVD analysis
- Deferred
- Record last updated
- Sep 21, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
MidnightBSD mport midnightbsd:mport (from the name) | before 2.7.8 | CNA record |
References
- https://github.com/MidnightBSD/mport/security/advisories/GHSA-v5pv-7gxw-74r5x-refsource-confirm
- https://github.com/MidnightBSD/mport/pull/121x-refsource-misc
- https://github.com/MidnightBSD/mport/commit/9b4d0f9192b243ee32266afa36dce430b257b921x-refsource-misc
- https://github.com/MidnightBSD/mport/releases/tag/2.7.8x-refsource-misc
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.