We use these services and cookies to improve your user experience. You may opt out if you wish, however, this may limit some features on this site.

Please see our statement on Data Privacy.

Crisp.chat (Helpdesk and Chat)

Ok

THREATINT
PUBLISHED

CVE-2025-4366

Request Smuggling Vulnerability in Pingora



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.

Reserved 2025-05-05 | Published 2025-05-22 | Updated 2025-05-22 | Assigner cloudflare


HIGH: 7.4CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N

Problem types

CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

Product status

Default status
unaffected

Any version before 0.5.0
affected

References

github.com/cloudflare/pingora

cve.org (CVE-2025-4366)

nvd.nist.gov (CVE-2025-4366)

Download JSON

Share this page
https://cve.threatint.eu/CVE/CVE-2025-4366

Support options

Helpdesk Chat, Email, Knowledgebase