CVE-2026-82393

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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 11.11.0, pnpm accepts a scoped path traversal in a tarball dependency's package.json manifest name because pnpm11/resolving/npm-resolver/src/pickPackage.ts rejects slash characters only for unscoped names. During pnpm install, the unvalidated name reaches raw path joins in pnpm11/installing/deps-resolver/src/resolvePeers.ts, pnpm11/installing/deps-resolver/src/index.ts, and pnpm11/deps/graph-builder/src/lockfileToDepGraph.ts, causing package extraction outside node_modules and allowing attacker-controlled files to overwrite arbitrary filesystem paths even when --ignore-scripts is used. The overwrite can replace shell startup files, Git hooks, or installed package code and lead to code execution. This issue is fixed in versions 10.34.5, and 11.11.0."}], "id": "CVE-2026-82393", "lastModified": "2026-11-03T23:17:57.270", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-82393", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-09-02T03:55:40.199814Z", "version": "2.0.3"}}]}, "published": "2026-08-31T22:17:22.353", "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-vq4v-j7r6-jq4m"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/pnpm/pnpm/security/advisories/GHSA-vq4v-j7r6-jq4m"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}, {"lang": "en", "value": "CWE-73"}, {"lang": "en", "value": "CWE-94"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "pnpm: pnpm: Arbitrary file write and code execution via path traversal in tarball dependency manifest", "id": "2526818", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2526818"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-22", "details": ["pnpm is a package manager. Prior to 10.34.5 and 11.11.0, pnpm accepts a scoped path traversal in a tarball dependency's package.json manifest name because pnpm11/resolving/npm-resolver/src/pickPackage.ts rejects slash characters only for unscoped names. During pnpm install, the unvalidated name reaches raw path joins in pnpm11/installing/deps-resolver/src/resolvePeers.ts, pnpm11/installing/deps-resolver/src/index.ts, and pnpm11/deps/graph-builder/src/lockfileToDepGraph.ts, causing package extraction outside node_modules and allowing attacker-controlled files to overwrite arbitrary filesystem paths even when --ignore-scripts is used. The overwrite can replace shell startup files, Git hooks, or installed package code and lead to code execution. This issue is fixed in versions 10.34.5, and 11.11.0.", "A flaw was found in pnpm. This vulnerability allows a remote attacker to perform a path traversal by crafting a malicious tarball dependency's manifest name. During package installation, pnpm fails to properly validate the manifest name, leading to files being extracted outside the intended `node_modules` directory. This can result in attacker-controlled files overwriting arbitrary filesystem paths, potentially leading to arbitrary code execution on the affected system."], "name": "CVE-2026-82393", "package_state": [{"cpe": "cpe:/a:redhat:amq_broker:7", "fix_state": "Not affected", "package_name": "amq-broker-bin.zip", "product_name": "Red Hat AMQ Broker 7"}, {"cpe": "cpe:/a:redhat:amq_broker:7", "fix_state": "Not 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": "2026-08-31T21:12:09Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-82393\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-82393\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-vq4v-j7r6-jq4m"], "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": "2026-08-31T22:45:04.391220+00:00", "updated": "2026-08-31T23:30:06.449867+00:00", "vendors": ["pnpm", "pnpm$PRODUCT$pnpm"]}