BIT-MODSECURITY2-2026-52747 ModSecurity: Multipart form-data parser silently strips embedded line breaks from form-field values, enabling request-body inspection bypass

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. Prior to 3.0.16, the multipart/form-data request body parser in libmodsecurity silently removes embedded line breaks from non-file form-field values before exporting them to ARGS and...

CVE-2026-52747

Summary of CVE-2026-52747 ModSecurity (the open‑source WAF engine for Apache/IIS/Nginx) prior to version 3.0.16 contains a parsing bug in the multipart/form-data body processor. Specifically, the libmodsecurity multipart parser silently removes embedded line breaks from non-file form-field values...

CVE-2021-34753

A vulnerability in the payload inspection for Ethernet Industrial Protocol ENIP traffic for Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass configured rules for ENIP traffic. This vulnerability is due to incomplete processing during deep packe...

Cisco Firepower Threat Defense Software Ethernet Industrial Protocol Policy Bypass Vulnerabilities

Multiple vulnerabilities in the payload inspection for Ethernet Industrial Protocol ENIP traffic for Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass configured rules for ENIP traffic. These vulnerabilities are due to incomplete processing duri...

PT-2021-4621 · Cisco · Cisco Ftd

Name of the Vulnerable Software and Affected Versions: Cisco Firepower Threat Defense FTD Software affected versions not specified Description: A vulnerability in the payload inspection for Ethernet Industrial Protocol ENIP traffic could allow an unauthenticated, remote attacker to bypass...