CVE-2026-27641

{"id": "CVE-2026-27641", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-27641", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-02-25T21:12:32.024132Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "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": "jugmac00", "product": "flask-reuploaded", "versions": [{"status": "affected", "version": "< 1.5.0"}]}]}], "published": "2026-02-25T04:16:04.620", "references": [{"url": "https://github.com/jugmac00/flask-reuploaded/commit/d64c6b2f71cb73734fc38baa0e3e156926361288", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/jugmac00/flask-reuploaded/pull/180", "tags": ["Issue Tracking", "Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/jugmac00/flask-reuploaded/security/advisories/GHSA-65mp-fq8v-56jr", "tags": ["Exploit", "Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-1336"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-22"}]}], "descriptions": [{"lang": "en", "value": "Flask-Reuploaded provides file uploads for Flask. A critical path traversal and extension bypass vulnerability in versions prior to 1.5.0 allows remote attackers to achieve arbitrary file write and remote code execution through Server-Side Template Injection (SSTI). Flask-Reuploaded has been patched in version 1.5.0. Some workarounds are available. Do not pass user input to the `name` parameter, use auto-generated filenames only, and implement strict input validation if `name` must be used."}, {"lang": "es", "value": "Flask-Reuploaded proporciona carga de archivos para Flask. Una vulnerabilidad cr\u00edtica de salto de ruta y omisi\u00f3n de extensi\u00f3n en versiones anteriores a la 1.5.0 permite a atacantes remotos lograr escritura arbitraria de archivos y ejecuci\u00f3n remota de c\u00f3digo a trav\u00e9s de Inyecci\u00f3n de Plantillas del Lado del Servidor (SSTI). Flask-Reuploaded ha sido parcheado en la versi\u00f3n 1.5.0. Hay disponibles algunas soluciones alternativas. No pase entradas de usuario al par\u00e1metro 'name', use solo nombres de archivo autogenerados, e implemente una estricta validaci\u00f3n de entrada si se tiene que usar 'name'."}], "lastModified": "2026-06-17T10:27:26.560", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:jugmac00:flask-reuploaded:*:*:*:*:*:python:*:*", "vulnerable": true, "matchCriteriaId": "ADCCDA77-EDD0-4AC4-B9BA-7087B5D9DC32", "versionEndExcluding": "1.5.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}