CVE-2026-54586

mport permits repository and package mirror fetches over insecure transport

State: Published
Severity: 6.0 Medium
Published: Sep 17, 2026
Updated: Sep 21, 2026
Reserved: Jun 15, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	6.0 Medium	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	GitHub_M

Weaknesses

CWE-319 Cleartext Transmission of Sensitive Information
CWE-345 Insufficient Verification of Data Authenticity

Affected Products

Product	Versions
mportMidnightBSD	< 2.7.8Affected

References

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