{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-54586","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-06-15T19:15:27.344Z","datePublished":"2026-09-17T16:53:24.229Z","dateUpdated":"2026-09-21T20:57:35.734Z"},"containers":{"cna":{"title":"mport permits repository and package mirror fetches over insecure transport","problemTypes":[{"descriptions":[{"cweId":"CWE-319","lang":"en","description":"CWE-319: Cleartext Transmission of Sensitive Information","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-345","lang":"en","description":"CWE-345: Insufficient Verification of Data Authenticity","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6,"baseSeverity":"MEDIUM","vectorString":"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","version":"4.0"}}],"references":[{"name":"https://github.com/MidnightBSD/mport/security/advisories/GHSA-v5pv-7gxw-74r5","tags":["x_refsource_CONFIRM"],"url":"https://github.com/MidnightBSD/mport/security/advisories/GHSA-v5pv-7gxw-74r5"},{"name":"https://github.com/MidnightBSD/mport/pull/121","tags":["x_refsource_MISC"],"url":"https://github.com/MidnightBSD/mport/pull/121"},{"name":"https://github.com/MidnightBSD/mport/commit/9b4d0f9192b243ee32266afa36dce430b257b921","tags":["x_refsource_MISC"],"url":"https://github.com/MidnightBSD/mport/commit/9b4d0f9192b243ee32266afa36dce430b257b921"},{"name":"https://github.com/MidnightBSD/mport/releases/tag/2.7.8","tags":["x_refsource_MISC"],"url":"https://github.com/MidnightBSD/mport/releases/tag/2.7.8"}],"affected":[{"vendor":"MidnightBSD","product":"mport","versions":[{"version":"< 2.7.8","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-09-17T16:53:24.229Z"},"descriptions":[{"lang":"en","value":"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."}],"source":{"advisory":"GHSA-v5pv-7gxw-74r5","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-21T20:57:25.913923Z","id":"CVE-2026-54586","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-21T20:57:35.734Z"}}]}}