CVE-2026-27699

{"id": "CVE-2026-27699", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-27699", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-02-27T17:04:25.002414Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 5.2, "exploitabilityScore": 3.9}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "patrickjuchli", "product": "basic-ftp", "versions": [{"status": "affected", "version": "< 5.2.0"}]}]}], "published": "2026-02-25T15:20:53.523", "references": [{"url": "https://github.com/patrickjuchli/basic-ftp/commit/2a2a0e6514357b9eda07c2f8afbd3f04727a7cd9", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/patrickjuchli/basic-ftp/releases/tag/v5.2.0", "tags": ["Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/patrickjuchli/basic-ftp/security/advisories/GHSA-5rq4-664w-9x2c", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-22"}]}], "descriptions": [{"lang": "en", "value": "The `basic-ftp` FTP client library for Node.js contains a path traversal vulnerability (CWE-22) in versions prior to 5.2.0 in the `downloadToDir()`\u00a0method. A malicious FTP server can send directory listings with filenames containing path traversal sequences (`../`) that cause files to be written outside the intended download directory. Version 5.2.0 patches the issue."}, {"lang": "es", "value": "La librer\u00eda cliente FTP `basic-ftp` para Node.js contiene una vulnerabilidad de salto de ruta (CWE-22) en versiones anteriores a la 5.2.0 en el m\u00e9todo `downloadToDir()`. Un servidor FTP malicioso puede enviar listados de directorio con nombres de archivo que contienen secuencias de salto de ruta (`../`) que provocan que los archivos se escriban fuera del directorio de descarga previsto. La versi\u00f3n 5.2.0 corrige el problema."}], "lastModified": "2026-06-17T10:27:32.287", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:patrickjuchli:basic-ftp:*:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "422197F2-36F3-496A-BA4B-09EF41898163", "versionEndExcluding": "5.2.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}