Hpp V6 Patched 💫

from hpp_middleware import HPPProtection app.wsgi_app = HPPProtection(app.wsgi_app, mode='strict', deduplicate='first', patch_level='v6') Maven update:

npm install hpp@6.1.2

X-HPP-Status: patched X-Parameter-Policy: strict-unique Check for these in your server responses. 4.1 For Node.js/Express Applications Before (vulnerable):

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

Last updated: October 2025

| 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 |

pip show hpp-middleware Patched versions begin at 6.0.2 . Use this curl command to test if your instance is vulnerable:

For Python's hpp-middleware :

Hpp V6 Patched 💫

from hpp_middleware import HPPProtection app.wsgi_app = HPPProtection(app.wsgi_app, mode='strict', deduplicate='first', patch_level='v6') Maven update:

npm install hpp@6.1.2

X-HPP-Status: patched X-Parameter-Policy: strict-unique Check for these in your server responses. 4.1 For Node.js/Express Applications Before (vulnerable): 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.

Last updated: October 2025

pip show hpp-middleware Patched versions begin at 6.0.2 . Use this curl command to test if your instance is vulnerable: from hpp_middleware import HPPProtection app

For Python's hpp-middleware :

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Hpp V6 Patched 💫