{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-28407", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-02-27T15:33:57.289Z", "datePublished": "2026-02-27T21:28:06.258Z", "dateUpdated": "2026-03-02T22:01:48.514Z" }, "containers": { "cna": { "title": "malcontent's nested archive extraction failure can drop content from scan inputs", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-703", "lang": "en", "description": "CWE-703: Improper Check or Handling of Exceptional Conditions", "type": "CWE" } ] } ], "metrics": [ { "cvssV4_0": { "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.9, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N", "version": "4.0" } } ], "references": [ { "name": "https://github.com/chainguard-dev/malcontent/security/advisories/GHSA-945p-3jhm-6rcp", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/chainguard-dev/malcontent/security/advisories/GHSA-945p-3jhm-6rcp" }, { "name": "https://github.com/chainguard-dev/malcontent/pull/1383", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/chainguard-dev/malcontent/pull/1383" }, { "name": "https://github.com/chainguard-dev/malcontent/commit/356c56659ccfcad0b249a97de8cf71f151ed3ee9", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/chainguard-dev/malcontent/commit/356c56659ccfcad0b249a97de8cf71f151ed3ee9" } ], "affected": [ { "vendor": "chainguard-dev", "product": "malcontent", "versions": [ { "version": "< 1.21.0", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-02-27T21:28:06.258Z" }, "descriptions": [ { "lang": "en", "value": "malcontent is software for discovering supply-chain compromises through context, differential analysis, and YARA. Prior to version 1.21.0, malcontent would remove nested archives which failed to extract which could potentially leave malicious content. A better approach is to preserve these archives so that malcontent can attempt a best-effort scan of the archive bytes. Version 1.21.0 fixes the issue." } ], "source": { "advisory": "GHSA-945p-3jhm-6rcp", "discovery": "UNKNOWN" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-03-02T22:01:36.247390Z", "id": "CVE-2026-28407", "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": "2026-03-02T22:01:48.514Z" } } ] } }