CVE-2026-73856

modsecurity: modsecurity: Information disclosure via case-sensitive Content-Type matching

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, src/transaction.cc compares a response Content-Type value against SecResponseBodyMimeType entries case-sensitively. A mixed-case response media type that is semantically equivalent to a configured lowercase type can therefore be treated as unconfigured, causing ModSecurity to skip RESPONSE_BODY inspection. An unauthenticated requester can…

5. Nov 2026

Ausgewertete Quellen

• Red Hat
  Red Hat
• NVD
  CVE-2026-73856