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{"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"]}