{"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"}}]}}