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This issue has been patched in version 1.2.7.","state":0,"publishedAt":"2026-05-09T20:16:29.573+00:00","modifiedAt":"2026-07-24T20:10:00.147+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":7.5,"severity":"HIGH"}],"references":["https://github.com/chainguard-dev/apko/commit/a118c3d604107532b5525bd4bee2fb369a6228aa","https://github.com/chainguard-dev/apko/releases/tag/v1.2.7","https://github.com/chainguard-dev/apko/security/advisories/GHSA-hcwr-pq9g-rq3m"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-42575","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-345","CWE-494"],"productCriteria":[],"sourceDates":{"published":"2026-05-09T20:16:29.573","lastModified":"2026-07-24T20:10:00.147"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. 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An attacker who can substitute download responses (compromised mirror, HTTP repository, poisoned CDN cache) can install arbitrary packages into built images.\n\n**Fix:** No fix available yet.\n\n**Acknowledgements**\n\napko thanks Oleh Konko from [1seal](https://1seal.org/) for discovering and reporting this issue.","state":0,"publishedAt":"2026-05-04T21:27:17+00:00","modifiedAt":"2026-09-10T03:50:47.142072+00:00","affected":[{"ecosystem":"Go","name":"chainguard.dev/apko","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"1.2.7"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/chainguard-dev/apko/security/advisories/GHSA-hcwr-pq9g-rq3m","https://nvd.nist.gov/vuln/detail/CVE-2026-42575","https://github.com/chainguard-dev/apko/commit/a118c3d604107532b5525bd4bee2fb369a6228aa","https://github.com/chainguard-dev/apko","https://github.com/chainguard-dev/apko/releases/tag/v1.2.7"],"sourceUrl":"https://github.com/advisories/GHSA-hcwr-pq9g-rq3m","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-hcwr-pq9g-rq3m","identifiers":["GHSA-hcwr-pq9g-rq3m","CVE-2026-42575","GO-2026-5422"]},"retained":false,"historicalAffected":[]},{"revision":"72837d527527496ca0be8e6dad643d16","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GO-2026-5422","aliases":["CVE-2026-42575","GHSA-hcwr-pq9g-rq3m"],"title":"apko doesn't verify downloaded apk packages against APKINDEX checksum (package substitution possible) in chainguard.dev/apko","description":"apko doesn't verify downloaded apk packages against APKINDEX checksum (package substitution possible) in chainguard.dev/apko","state":0,"publishedAt":"2026-06-25T22:34:31+00:00","modifiedAt":"2026-07-22T20:59:40.3426345+00:00","affected":[{"ecosystem":"Go","name":"chainguard.dev/apko","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"1.2.7"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[],"references":["https://github.com/chainguard-dev/apko/security/advisories/GHSA-hcwr-pq9g-rq3m","https://nvd.nist.gov/vuln/detail/CVE-2026-42575","https://github.com/chainguard-dev/apko/commit/a118c3d604107532b5525bd4bee2fb369a6228aa","https://github.com/chainguard-dev/apko/releases/tag/v1.2.7"],"sourceUrl":"https://osv.dev/vulnerability/GO-2026-5422","license":"OSV · upstream source license applies","key":"osv:GO-2026-5422","identifiers":["GO-2026-5422","CVE-2026-42575","GHSA-hcwr-pq9g-rq3m"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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