{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23890", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-01-16T21:02:02.902Z", "datePublished": "2026-01-26T21:53:40.810Z", "dateUpdated": "2026-01-27T21:39:57.954Z"}, "containers": {"cna": {"title": "pnpm scoped bin name Path Traversal allows arbitrary file creation outside node_modules/.bin", "problemTypes": [{"descriptions": [{"cweId": "CWE-23", "lang": "en", "description": "CWE-23: Relative Path Traversal", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "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:N", "version": "3.1"}}], "references": [{"name": "https://github.com/pnpm/pnpm/security/advisories/GHSA-xpqm-wm3m-f34h", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/pnpm/pnpm/security/advisories/GHSA-xpqm-wm3m-f34h"}, {"name": "https://github.com/pnpm/pnpm/commit/8afbb1598445d37985d91fda18abb4795ae5062d", "tags": ["x_refsource_MISC"], "url": "https://github.com/pnpm/pnpm/commit/8afbb1598445d37985d91fda18abb4795ae5062d"}, {"name": "https://github.com/pnpm/pnpm/releases/tag/v10.28.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/pnpm/pnpm/releases/tag/v10.28.1"}], "affected": [{"vendor": "pnpm", "product": "pnpm", "versions": [{"version": "< 10.28.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-01-26T22:00:34.275Z"}, "descriptions": [{"lang": "en", "value": "pnpm is a package manager. Prior to version 10.28.1, a path traversal vulnerability in pnpm's bin linking allows malicious npm packages to create executable shims or symlinks outside of `node_modules/.bin`. Bin names starting with `@` bypass validation, and after scope normalization, path traversal sequences like `../../` remain intact. This issue affects all pnpm users who install npm packages and CI/CD pipelines using pnpm. It can lead to overwriting config files, scripts, or other sensitive files. Version 10.28.1 contains a patch."}], "source": {"advisory": "GHSA-xpqm-wm3m-f34h", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-01-27T21:39:49.236417Z", "id": "CVE-2026-23890", "options": [{"Exploitation": "poc"}, {"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": "2026-01-27T21:39:57.954Z"}}]}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "pnpm is a package manager. Prior to version 10.28.1, a path traversal vulnerability in pnpm's bin linking allows malicious npm packages to create executable shims or symlinks outside of `node_modules/.bin`. Bin names starting with `@` bypass validation, and after scope normalization, path traversal sequences like `../../` remain intact. This issue affects all pnpm users who install npm packages and CI/CD pipelines using pnpm. It can lead to overwriting config files, scripts, or other sensitive files. Version 10.28.1 contains a patch."}], "id": "CVE-2026-23890", "lastModified": "2026-01-27T14:59:34.073", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "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:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-01-26T22:15:56.363", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/pnpm/pnpm/commit/8afbb1598445d37985d91fda18abb4795ae5062d"}, {"source": "security-advisories@github.com", "url": "https://github.com/pnpm/pnpm/releases/tag/v10.28.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/pnpm/pnpm/security/advisories/GHSA-xpqm-wm3m-f34h"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-23"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{"bugzilla": {"description": "pnpm: pnpm: Arbitrary code execution via path traversal in bin linking", "id": "2433090", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2433090"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "status": "draft"}, "cwe": "CWE-23", "details": ["A flaw was found in pnpm, a package manager. A remote attacker can exploit a path traversal vulnerability by crafting malicious npm packages. This vulnerability allows the attacker to bypass validation by using bin names starting with an \"@\" symbol, enabling them to create executable shims or symbolic links (symlinks) outside of the designated `node_modules/.bin` directory. This could lead to arbitrary code execution or privilege escalation on the affected system."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, ensure that only trusted npm packages are installed when utilizing pnpm. Restrict the use of pnpm for package installation to controlled environments, such as secure CI/CD pipelines, to prevent the introduction of malicious packages. Implement robust package source validation and integrity checks to minimize exposure."}, "name": "CVE-2026-23890", "package_state": [{"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:8", "fix_state": "Fix deferred", "package_name": "org.keycloak-keycloak-parent", "product_name": "Red Hat JBoss Enterprise Application Platform 8"}, {"cpe": "cpe:/a:redhat:jbosseapxp", "fix_state": "Fix deferred", "package_name": "org.keycloak-keycloak-parent", "product_name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"}], "public_date": "2026-01-26T21:53:40Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-23890\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-23890\nhttps://github.com/pnpm/pnpm/commit/8afbb1598445d37985d91fda18abb4795ae5062d\nhttps://github.com/pnpm/pnpm/releases/tag/v10.28.1\nhttps://github.com/pnpm/pnpm/security/advisories/GHSA-xpqm-wm3m-f34h"], "statement": "This vulnerability is rated Moderate for Red Hat. It affects systems using pnpm where malicious npm packages can exploit a path traversal flaw during bin linking. This allows the creation of executable files or symlinks outside of the `node_modules/.bin` directory, posing a risk in environments that install untrusted npm packages, such as development or CI/CD pipelines.", "threat_severity": "Moderate"}

{"created": "2026-01-27T09:03:24.365611+00:00", "updated": "2026-01-27T09:03:24.365648+00:00", "vendors": ["pnpm", "pnpm$PRODUCT$pnpm"]}