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vuln-cve/data/2026/82xxx/CVE-2026-82392.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-82392",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-08-28T22:00:43.511Z",
"datePublished": "2026-08-31T21:03:25.652Z",
"dateUpdated": "2026-09-01T14:57:53.435Z"
},
"containers": {
"cna": {
"title": "pnpm: Virtual store linker path traversal via unvalidated depPath name in lockfileToDepGraph",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-22",
"lang": "en",
"description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/pnpm/pnpm/security/advisories/GHSA-c59q-g84q-2gj5",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/pnpm/pnpm/security/advisories/GHSA-c59q-g84q-2gj5"
},
{
"name": "https://github.com/pnpm/pnpm/pull/12872",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/pnpm/pnpm/pull/12872"
},
{
"name": "https://github.com/pnpm/pnpm/pull/12890",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/pnpm/pnpm/pull/12890"
},
{
"name": "https://github.com/pnpm/pnpm/commit/51300fd41c5e4c8f47635108e373cc3d1f324fa7",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/pnpm/pnpm/commit/51300fd41c5e4c8f47635108e373cc3d1f324fa7"
},
{
"name": "https://github.com/pnpm/pnpm/commit/78e29fe5583a1e5d69ea05e414eff310f78d5ed9",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/pnpm/pnpm/commit/78e29fe5583a1e5d69ea05e414eff310f78d5ed9"
},
{
"name": "https://github.com/pnpm/pnpm/releases/tag/v10.34.5",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/pnpm/pnpm/releases/tag/v10.34.5"
},
{
"name": "https://github.com/pnpm/pnpm/releases/tag/v11.11.0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/pnpm/pnpm/releases/tag/v11.11.0"
}
],
"affected": [
{
"vendor": "pnpm",
"product": "pnpm",
"versions": [
{
"version": "< 10.34.5",
"status": "affected"
},
{
"version": ">= 11.0.0, < 11.11.0",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-08-31T21:03:25.652Z"
},
"descriptions": [
{
"lang": "en",
"value": "pnpm is a package manager. Prior to 10.34.5 and from 11.0.0 until 11.11.0, pnpm parses the package name from attacker-controlled pnpm-lock.yaml packages keys with dp.parse(depPath).name and uses it without validation in deps/graph-builder/src/lockfileToDepGraph.ts and pnpm11/deps/graph-builder/src/lockfileToDepGraph.ts. The name reaches path.join(modules, pkgName), storeController.importPackage, and pnpm11/lockfile/to-pnp/src/index.ts, allowing package contents to be written outside node_modules when a user runs pnpm install. When dangerouslyAllowAllBuilds or a matching allowBuilds entry permits lifecycle scripts, the escaped package can execute code with the user's privileges. This issue is fixed in versions 10.34.5 and 11.11.0."
}
],
"source": {
"advisory": "GHSA-c59q-g84q-2gj5",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-09-01T14:15:09.715556Z",
"id": "CVE-2026-82392",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"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": "2026-09-01T14:57:53.435Z"
}
}
]
}
}