🛡️ CVE-2025-4366
🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-444 NVD
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

Details

Severity MEDIUM
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE CWE-444
Public Exploit ✅ No
Source NVD
Published 2025-05-22
Updated 2026-06-15
Modified 2025-08-06
Fix URL N/A

Affected Packages

Software From version Fixed in
pingora — 0.5.0
pingora-core — —

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