{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54582", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-15T19:15:27.344Z", "datePublished": "2026-09-17T16:50:40.434Z", "dateUpdated": "2026-09-17T19:15:52.035Z"}, "containers": {"cna": {"title": "mport package installation can overwrite existing unmanaged or differently owned files", "problemTypes": [{"descriptions": [{"cweId": "CWE-73", "lang": "en", "description": "CWE-73: External Control of File Name or Path", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-668", "lang": "en", "description": "CWE-668: Exposure of Resource to Wrong Sphere", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/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-5773-7r4r-rpgx", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/MidnightBSD/mport/security/advisories/GHSA-5773-7r4r-rpgx"}, {"name": "https://github.com/MidnightBSD/mport/pull/131", "tags": ["x_refsource_MISC"], "url": "https://github.com/MidnightBSD/mport/pull/131"}, {"name": "https://github.com/MidnightBSD/mport/commit/c643312d149dcc994957dbafa8f6f6b61e945e39", "tags": ["x_refsource_MISC"], "url": "https://github.com/MidnightBSD/mport/commit/c643312d149dcc994957dbafa8f6f6b61e945e39"}, {"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": "2026-09-17T16:50:40.434Z"}, "descriptions": [{"lang": "en", "value": "mport is the MidnightBSD Package Manager. Prior to 2.7.8, package installation lacked a preflight check for incoming non-directory assets that already existed on disk. The affected logic across libmport/check_preconditions.c, libmport/install_primative.c, and libmport/mport_private.h did not apply MPORT_PRECHECK_FILE_CONFLICTS, so a crafted or conflicting package could overwrite a file owned by another package or unmanaged by mport. The check is bypassed only when the operator explicitly enables mport->force. Privileged installation without that override could compromise local filesystem integrity and package database consistency. This issue is fixed in version 2.7.8."}], "source": {"advisory": "GHSA-5773-7r4r-rpgx", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-17T19:15:39.206598Z", "id": "CVE-2026-54582", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"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": "2026-09-17T19:15:52.035Z"}}]}}

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