Hpp — V6 Patched

npm list hpp Look for version 6.1.0 or higher. The patched designation applies to any version with the security backport.

npm install hpp@6.1.2

Last updated: October 2025

<dependency> <groupId>com.security.hpp</groupId> <artifactId>hpp-filter</artifactId> <version>6.0.1-patched</version> </dependency> If you use a ModSecurity rule set with HPP detection: hpp v6 patched

pip show hpp-middleware Patched versions begin at 6.0.2 . Use this curl command to test if your instance is vulnerable: npm list hpp Look for version 6

| Version | Median Latency | Throughput (req/s) | Memory Footprint | |---------|----------------|--------------------|------------------| | HPP v6.0 (unpatched) | 1.2 ms | 18,500 | 24 MB | | HPP v6 patched (6.1.2) | 1.4 ms | 17,900 | 26 MB | 900 | 26 MB |