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vuln-cve/data/2026/42xxx/CVE-2026-42574.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-42574",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-04-28T17:26:12.085Z",
"datePublished": "2026-05-09T19:24:48.497Z",
"dateUpdated": "2026-05-11T17:11:40.244Z"
},
"containers": {
"cna": {
"title": "apko dirFS has a symlink-following path traversal that allows multiple entry points to escape the build root",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-22",
"lang": "en",
"description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-59",
"lang": "en",
"description": "CWE-59: Improper Link Resolution Before File Access ('Link Following')",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/chainguard-dev/apko/security/advisories/GHSA-qq3r-w4hj-gjp6",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/chainguard-dev/apko/security/advisories/GHSA-qq3r-w4hj-gjp6"
},
{
"name": "https://github.com/chainguard-dev/apko/pull/2187",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/chainguard-dev/apko/pull/2187"
},
{
"name": "https://github.com/chainguard-dev/apko/commit/f5a96e1299ac81c7ea9441705ec467688086f442",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/chainguard-dev/apko/commit/f5a96e1299ac81c7ea9441705ec467688086f442"
},
{
"name": "https://github.com/chainguard-dev/apko/releases/tag/v1.2.5",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/chainguard-dev/apko/releases/tag/v1.2.5"
}
],
"affected": [
{
"vendor": "chainguard-dev",
"product": "apko",
"versions": [
{
"version": ">= 0.14.8, < 1.2.5",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-05-09T19:24:48.497Z"
},
"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."
}
],
"source": {
"advisory": "GHSA-qq3r-w4hj-gjp6",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-05-11T17:09:56.626237Z",
"id": "CVE-2026-42574",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-05-11T17:11:40.244Z"
}
}
]
}
}