CVE-2026-82392

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{"affected": [{"affectedData": [{"product": "pnpm", "vendor": "pnpm", "versions": [{"status": "affected", "version": "< 10.34.5"}, {"status": "affected", "version": ">= 11.0.0, < 11.11.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "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."}], "id": "CVE-2026-82392", "lastModified": "2026-09-09T21:09:13.080", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 2.8, "impactScore": 4.2, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-82392", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-01T14:15:09.715556Z", "version": "2.0.3"}}]}, "published": "2026-08-31T21:17:54.033", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/pnpm/pnpm/commit/51300fd41c5e4c8f47635108e373cc3d1f324fa7"}, {"source": "security-advisories@github.com", "url": "https://github.com/pnpm/pnpm/commit/78e29fe5583a1e5d69ea05e414eff310f78d5ed9"}, {"source": "security-advisories@github.com", "url": "https://github.com/pnpm/pnpm/pull/12872"}, {"source": "security-advisories@github.com", "url": "https://github.com/pnpm/pnpm/pull/12890"}, {"source": "security-advisories@github.com", "url": "https://github.com/pnpm/pnpm/releases/tag/v10.34.5"}, {"source": "security-advisories@github.com", "url": "https://github.com/pnpm/pnpm/releases/tag/v11.11.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/pnpm/pnpm/security/advisories/GHSA-c59q-g84q-2gj5"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "pnpm: pnpm: Arbitrary Code Execution via Path Traversal", "id": "2526555", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2526555"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L", "status": "draft"}, "cwe": "CWE-22", "details": ["A flaw was found in pnpm, a package manager. An attacker can craft a malicious `pnpm-lock.yaml` file that, when processed by a user running `pnpm install`, allows package contents to be written outside the intended `node_modules` directory. If the system is configured to allow lifecycle scripts, this path traversal vulnerability can lead to arbitrary code execution with the user's privileges."], "name": "CVE-2026-82392", "package_state": [{"cpe": "cpe:/a:redhat:amq_broker:7", "fix_state": "Affected", "package_name": "amq-broker-bin.zip", "product_name": "Red Hat AMQ Broker 7"}, {"cpe": "cpe:/a:redhat:amq_broker:7", "fix_state": "Affected", "package_name": "amq-broker-maven-repository.zip", "product_name": "Red Hat AMQ Broker 7"}, {"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Affected", "package_name": "keycloak-operator.redhat-00001.zip", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Affected", "package_name": "rhbk-quarkus-dist.zip", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "jaeger", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "prometheus3.13", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:8", "fix_state": "Affected", "package_name": "jboss-eap.1-runtime-maven-repository.zip", "product_name": "Red Hat JBoss Enterprise Application Platform 8"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:8", "fix_state": "Affected", "package_name": "jboss-eap-runtime-maven-repository.zip", "product_name": "Red Hat JBoss Enterprise Application Platform 8"}, {"cpe": "cpe:/a:redhat:jbosseapxp", "fix_state": "Affected", "package_name": "jboss-eap.1-runtime-maven-repository.zip", "product_name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"}, {"cpe": "cpe:/a:redhat:jbosseapxp", "fix_state": "Affected", "package_name": "jboss-eap-runtime-maven-repository.zip", "product_name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"}], "public_date": "2026-08-31T21:03:25Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-82392\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-82392\nhttps://github.com/pnpm/pnpm/commit/51300fd41c5e4c8f47635108e373cc3d1f324fa7\nhttps://github.com/pnpm/pnpm/commit/78e29fe5583a1e5d69ea05e414eff310f78d5ed9\nhttps://github.com/pnpm/pnpm/pull/12872\nhttps://github.com/pnpm/pnpm/pull/12890\nhttps://github.com/pnpm/pnpm/releases/tag/v10.34.5\nhttps://github.com/pnpm/pnpm/releases/tag/v11.11.0\nhttps://github.com/pnpm/pnpm/security/advisories/GHSA-c59q-g84q-2gj5"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,10.34.5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[11.0.0,11.11.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "pnpm", "source": "cna", "vendor": "pnpm"}, "product": "pnpm", "vendor": "pnpm"}], "created": "2026-08-31T22:30:06.006919+00:00", "updated": "2026-08-31T23:15:04.760793+00:00", "vendors": ["pnpm", "pnpm$PRODUCT$pnpm"]}