{"id":"CVE-2026-28407","state":"PUBLISHED","title":"malcontent's nested archive extraction failure can drop content from scan inputs","description":"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.","publishedAt":"2026-02-27T21:28:06.258Z","updatedAt":"2026-03-02T22:01:48.514Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"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","source":"GitHub_M"},"assigner":"GitHub_M","products":["chainguard-dev malcontent"],"affected":[{"vendor":"chainguard-dev","product":"malcontent","versions":[{"version":"< 1.21.0","status":"affected"}]}],"references":["https://github.com/chainguard-dev/malcontent/security/advisories/GHSA-945p-3jhm-6rcp","https://github.com/chainguard-dev/malcontent/pull/1383","https://github.com/chainguard-dev/malcontent/commit/356c56659ccfcad0b249a97de8cf71f151ed3ee9"],"weaknesses":["CWE-703"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/28xxx/CVE-2026-28407.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-28407","state":"PUBLISHED","datePublished":"2026-02-27T21:28:06.258Z","dateUpdated":"2026-03-02T22:01:48.514Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-02-27T15:33:57.289Z"},"containers":{"cna":{"title":"malcontent's nested archive extraction failure can drop content from scan inputs","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."}],"affected":[{"vendor":"chainguard-dev","product":"malcontent","versions":[{"version":"< 1.21.0","status":"affected"}]}],"references":[{"url":"https://github.com/chainguard-dev/malcontent/security/advisories/GHSA-945p-3jhm-6rcp","name":"https://github.com/chainguard-dev/malcontent/security/advisories/GHSA-945p-3jhm-6rcp","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/chainguard-dev/malcontent/pull/1383","name":"https://github.com/chainguard-dev/malcontent/pull/1383","tags":["x_refsource_MISC"]},{"url":"https://github.com/chainguard-dev/malcontent/commit/356c56659ccfcad0b249a97de8cf71f151ed3ee9","name":"https://github.com/chainguard-dev/malcontent/commit/356c56659ccfcad0b249a97de8cf71f151ed3ee9","tags":["x_refsource_MISC"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-703","lang":"en","description":"CWE-703: Improper Check or Handling of Exceptional Conditions","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-02-27T21:28:06.258Z"},"source":{"advisory":"GHSA-945p-3jhm-6rcp","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-02T22:01:48.514Z"}}]}}}