CVE-2026-42574

{"id": "CVE-2026-42574", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2026-05-09T20:16:29.420", "references": [{"url": "https://github.com/chainguard-dev/apko/commit/f5a96e1299ac81c7ea9441705ec467688086f442", "source": "security-advisories@github.com"}, {"url": "https://github.com/chainguard-dev/apko/pull/2187", "source": "security-advisories@github.com"}, {"url": "https://github.com/chainguard-dev/apko/releases/tag/v1.2.5", "source": "security-advisories@github.com"}, {"url": "https://github.com/chainguard-dev/apko/security/advisories/GHSA-qq3r-w4hj-gjp6", "source": "security-advisories@github.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-22"}, {"lang": "en", "value": "CWE-59"}]}], "descriptions": [{"lang": "en", "value": "apko allows users to build and publish OCI container images built from apk packages. From version 0.14.8 to before version 1.2.5, a crafted .apk could install a TypeSymlink tar entry whose target pointed outside the build root, and a subsequent directory-creation or file-write entry in the same or later archive could traverse that symlink to reach host paths the build user could write to. This issue has been patched in version 1.2.5."}], "lastModified": "2026-05-13T15:23:57.230", "sourceIdentifier": "security-advisories@github.com"}