CVE-2026-104269

modsecurity: mod_security: ModSecurity: Security inspection bypass via multipart filename parameter discrepancy

modsecurity

ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. From 3.0.0 until 3.0.17, ModSecurity's multipart parser does not apply the RFC 2231 filename* parameter precedence used by common Go, Python, Node.js, and Java application parsers. A Content-Disposition header can provide a benign filename parameter for ModSecurity and a different encoded filename* value that the backend prefers, causing MULTIPART_FILENAME rules and…

5. Nov 2026

Ausgewertete Quellen

• Red Hat
  Red Hat
• NVD
  CVE-2026-104269