CVE-2026-5027 in langflow

Sumário

de MITRE • 27/03/2026

The 'POST /api/v2/files' endpoint does not sanitize the 'filename' parameter from the multipart form data, allowing an attacker to write files to arbitrary locations on the filesystem using path traversal sequences ('../').

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• Responsável: Tenable
• Reservar: 27/03/2026
• Divulgação: 27/03/2026
• Moderação: aceite
• Entrada: VDB-353945
• CPE: pronto
• CWE: CWE-22 (confirmado)
• CVSS: 8.8 (CNA)
• EPSS: 0.00035
• KEV: não
• Atividades: baixo
• Sector: Energy, Hospital, ...

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-5027
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-5027
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-5027/