{"id":"CVE-2025-65025","sourceIdentifier":"security-advisories@github.com","published":"2025-11-19T18:15:49.840","lastModified":"2026-10-18T20:10:00.110","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"esm.sh is a nobuild content delivery network(CDN) for modern web development. Prior to version 136, the esm.sh CDN service is vulnerable to path traversal during NPM package tarball extraction. An attacker can craft a malicious NPM package containing specially crafted file paths (e.g., package/../../tmp/evil.js). When esm.sh downloads and extracts this package, files may be written to arbitrary locations on the server, escaping the intended extraction directory. This issue has been patched in version 136."},{"lang":"es","value":"esm.sh es una red de entrega de contenido (CDN) sin compilación para el desarrollo web moderno. Versiones anteriores a la versión 136, el servicio CDN esm.sh es vulnerable a salto de ruta durante la extracción de tarballs de paquetes NPM. Un atacante puede crear un paquete NPM malicioso que contenga rutas de archivo especialmente diseñadas (por ejemplo, package/.. / ../tmp/evil.js). Cuando esm.sh descarga y extrae este paquete, los archivos pueden escribirse en ubicaciones arbitrarias en el servidor, escapando del directorio de extracción previsto. Este problema ha sido parcheado en la versión 136."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"esm-dev","product":"esm.sh","versions":[{"version":"< 136","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","baseScore":8.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":4.2},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-11-20T14:09:39.459957Z","id":"CVE-2025-65025","options":[{"exploitation":"poc"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-22"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:esm:esm.sh:*:*:*:*:*:*:*:*","versionEndExcluding":"136","matchCriteriaId":"6FB0321A-8476-4667-8F8F-BF9D9E1DF466"}]}]}],"references":[{"url":"https://github.com/esm-dev/esm.sh/commit/9d77b88c320733ff6689d938d85d246a3af9af16","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/esm-dev/esm.sh/security/advisories/GHSA-h3mw-4f23-gwpw","source":"security-advisories@github.com","tags":["Exploit","Vendor Advisory"]},{"url":"https://github.com/esm-dev/esm.sh/security/advisories/GHSA-h3mw-4f23-gwpw","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["Exploit","Vendor Advisory"]}]}