Before reporting an issue

• I have read and understood the above terms for submitting issues, and I understand that my issue may be closed without action if I do not follow them.

Area

No response

Describe the bug

Netty’s netty-codec-http component is vulnerable to HTTP Request Smuggling due to incorrect parsing of chunked-encoding requests.

An attacker may craft ambiguous HTTP requests that are parsed inconsistently by Netty and upstream servers. This can lead to request smuggling attacks, allowing cache poisoning, request bypasses, or unauthorized access to backend services.

Version

26.3.3

Regression

• The issue is a regression

Expected behavior

No CVE reported.

Actual behavior

CVE reported.

How to Reproduce?

Please, check scanner alerts.

Anything else?

References:

• NVD – CVE-2025-58056

• Snyk Advisory – HTTP Request Smuggling