{"schema_version":"1.7.3","id":"GO-2026-4405","published":"2026-02-05T03:20:45Z","modified":"2026-02-06T02:13:48.278682Z","aliases":["CVE-2026-25121","GHSA-5g94-c2wx-8pxw"],"related":["CGA-8rrf-mq5r-w436"],"summary":"apko has a path traversal in apko dirFS which allows filesystem writes outside base in chainguard.dev/apko","details":"apko has a path traversal in apko dirFS which allows filesystem writes outside base in chainguard.dev/apko","affected":[{"package":{"name":"chainguard.dev/apko","ecosystem":"Go","purl":"pkg:golang/chainguard.dev/apko"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.14.8"},{"fixed":"1.1.0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-4405.json"}}],"references":[{"type":"ADVISORY","url":"https://github.com/chainguard-dev/apko/security/advisories/GHSA-5g94-c2wx-8pxw"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25121"},{"type":"WEB","url":"https://github.com/chainguard-dev/apko/commit/d8b7887a968a527791b3c591ae83928cb49a9f14"}],"database_specific":{"review_status":"UNREVIEWED","url":"https://pkg.go.dev/vuln/GO-2026-4405"}}