CVE-2025-4366 – pingora-core

Package

Manager: cargo
Name: pingora-core
Vulnerable Version: >=0 <0.5.0

Severity

Level: High

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C

CVSS v4.0: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N

EPSS: 0.00036 pctl0.08842

Details

Pingora has a Request Smuggling Vulnerability 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 ### 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.

Metadata

Created: 2025-06-20T18:07:47Z
Modified: 2025-06-20T18:07:47Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/06/GHSA-93c7-7xqw-w357/GHSA-93c7-7xqw-w357.json
CWE IDs: ["CWE-444"]
Alternative ID: GHSA-93c7-7xqw-w357
Finding: F110
Auto approve: 1