CVE-2025-4366 — Request Smuggling Vulnerability in Pingora

Description (CNA)

A request smuggling vulnerability identified within Pingora’s proxying framework, pingora-proxy, allows malicious HTTP requests to be injected via manipulated request bodies on cache HITs, leading to unauthorized request execution and potential cache poisoning. Fixed in: https://github.com/cloudflare/pingora/commit/fda3317ec822678564d641e7cf1c9b77ee3759ff https://github.com/cloudflare/pingora/commit/fda3317ec822678564d641e7cf1c9b77ee3759ff Impact: The issue could lead to request smuggling in cases where Pingora’s proxying framework, pingora-proxy, is used for caching allowing an attacker to manipulate headers and URLs in subsequent requests made on the same HTTP/1.1 connection.

Affected (CNA)

Vendor / product	Versions
Not supplied / Not supplied	affected 0 before 0.5.0

CWE

CWE-444

References

https://github.com/cloudflare/pingora

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.