{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-105768", "assignerOrgId": "82cea9a6-e9e3-46fe-bdb0-3673de380178", "state": "PUBLISHED", "assignerShortName": "chainguard", "dateReserved": "2026-10-05T19:21:04.930Z", "datePublished": "2026-10-05T20:17:46.477Z", "dateUpdated": "2026-10-06T13:59:32.353Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "82cea9a6-e9e3-46fe-bdb0-3673de380178", "shortName": "chainguard", "dateUpdated": "2026-10-05T20:17:46.477Z"}, "title": "apko /etc/passwd and /etc/group UID/GID truncation writes package-supplied entries as root", "datePublic": "2026-09-23T22:40:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-197", "description": "CWE-197 Numeric Truncation Error", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-128", "descriptions": [{"lang": "en", "value": "CAPEC-128 Integer Attacks"}]}], "affected": [{"vendor": "chainguard-dev", "product": "apko", "collectionURL": "https://pkg.go.dev", "packageName": "chainguard.dev/apko", "repo": "https://github.com/chainguard-dev/apko", "modules": ["pkg/passwd"], "programFiles": ["pkg/passwd/passwd.go", "pkg/passwd/group.go"], "programRoutines": [{"name": "passwd.UserEntry.Parse"}, {"name": "passwd.GroupEntry.Parse"}], "versions": [{"status": "affected", "version": "0.2.0", "lessThan": "1.4.5", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "apko allows users to build and publish OCI container images built from apk packages. 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