Duplicate Advisory: HTTP Request Smuggling via Premature Upgrade

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-xq2h-p299-vjwv. This link is maintained to preserve external references. Original Description An HTTP request smuggling vulnerability CWE-444 was found in Pingora's handling of HTTP/1.1 connection upgrades. The...

GHSA-262P-VJX5-45XH Duplicate Advisory: HTTP Request Smuggling via HTTP/1.0 and Transfer-Encoding Misparsing

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-hj7x-879w-vrp7. This link is maintained to preserve external references. Original Description An HTTP Request Smuggling vulnerability CWE-444 has been found in Pingora's parsing of HTTP/1.0 and Transfer-Encoding...

GHSA-2M8C-2374-465F Duplicate Advisory: Cache poisoning via insecure-by-default cache key

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-f93w-pcj3-rggc. This link is maintained to preserve external references. Original Description A cache poisoning vulnerability has been found in the Pingora HTTP proxy framework’s default cache key construction...

Duplicate Advisory: HTTP Request Smuggling via HTTP/1.0 and Transfer-Encoding Misparsing

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-hj7x-879w-vrp7. This link is maintained to preserve external references. Original Description An HTTP Request Smuggling vulnerability CWE-444 has been found in Pingora's parsing of HTTP/1.0 and Transfer-Encoding...

GHSA-F9V3-J2M7-4HPG Duplicate Advisory: HTTP Request Smuggling via Premature Upgrade

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-xq2h-p299-vjwv. This link is maintained to preserve external references. Original Description An HTTP request smuggling vulnerability CWE-444 was found in Pingora's handling of HTTP/1.1 connection upgrades. The...

CVE-2026-2836

A cache poisoning vulnerability has been found in the Pingora HTTP proxy framework’s default cache key construction. The issue occurs because the default HTTP cache key implementation generates cache keys using only the URI path, excluding critical factors such as the host header authority...

CVE-2026-2833

An HTTP request smuggling vulnerability CWE-444 was found in Pingora's handling of HTTP/1.1 connection upgrades. The issue occurs when a Pingora proxy reads a request containing an Upgrade header, causing the proxy to pass through the rest of the bytes on the connection to a backend before the...

Pingora security vulnerabilities

Pingora is a library open sourced by Cloudflare, used to build fast, reliable, and scalable network services. Prior to Pingora v0.8.0, there were security vulnerabilities. These vulnerabilities stemmed from the use of HTTP request interception techniques when parsing HTTP/1.0 and Transfer-Encodin...

Pingora security vulnerabilities

Pingora is a library open sourced by Cloudflare, used for building fast, reliable, and scalable network services. Prior to version 0.8.0, Pingora had security vulnerabilities. These vulnerabilities stemmed from improper construction of default cache keys, which could lead to cross-tenant data lea...

CVE-2026-2833: Inconsistent Interpretation of HTTP Requests

An HTTP request smuggling vulnerability CWE-444 was found in Pingora's handling of HTTP/1.1 connection upgrades. The issue occurs when a Pingora proxy reads a request containing an Upgrade header, causing the proxy to pass through the rest of the bytes on the connection to a backend before the...

CVE-2026-2836: Insufficient Verification of Data Authenticity

A cache poisoning vulnerability has been found in the Pingora HTTP proxy framework’s default cache key construction. The issue occurs because the default HTTP cache key implementation generates cache keys using only the URI path, excluding critical factors such as the host header authority...

CVE-2026-2835: Inconsistent Interpretation of HTTP Requests

An HTTP Request Smuggling vulnerability CWE-444 has been found in Pingora's parsing of HTTP/1.0 and Transfer-Encoding requests. The issue occurs due to improperly allowing HTTP/1.0 request bodies to be close-delimited and incorrect handling of multiple Transfer-Encoding values, allowing attackers...

Pingora security vulnerabilities

Pingora is a library open sourced by Cloudflare, used to build fast, reliable, and scalable network services. Prior to Pingora v0.8.0, there were security vulnerabilities. These vulnerabilities stemmed from the use of the HTTP request interleaving technique when handling HTTP/1.1 connection...

CVE-2026-2836 Cache poisoning via insecure-by-default cache key

A cache poisoning vulnerability has been found in the Pingora HTTP proxy framework’s default cache key construction. The issue occurs because the default HTTP cache key implementation generates cache keys using only the URI path, excluding critical factors such as the host header authority...

CVE-2026-2836

A cache poisoning vulnerability has been found in the Pingora HTTP proxy framework’s default cache key construction. The issue occurs because the default HTTP cache key implementation generates cache keys using only the URI path, excluding critical factors such as the host header authority...

CVE-2026-2836

Pingora CVE-2026-2836 affects the default cache key construction in Pingora’s alpha proxy caching feature, which uses only the URI path and omits the host header (authority) and other factors. This can enable cross-tenant data leakage and cache poisoning where cached responses may be served to us...

CVE-2026-2836 Cache poisoning via insecure-by-default cache key

A cache poisoning vulnerability has been found in the Pingora HTTP proxy framework’s default cache key construction. The issue occurs because the default HTTP cache key implementation generates cache keys using only the URI path, excluding critical factors such as the host header authority...

CVE-2026-2836 Cache poisoning via insecure-by-default cache key

A cache poisoning vulnerability has been found in the Pingora HTTP proxy framework’s default cache key construction. The issue occurs because the default HTTP cache key implementation generates cache keys using only the URI path, excluding critical factors such as the host header authority...

CVE-2026-2835

Pingora contains an HTTP Request Smuggling (CWE-444) flaw in its parsing of HTTP/1.0 bodies and multiple Transfer-Encoding values, which can desynchronize request framing and allow a frontend proxy to bypass ACLs, poison caches, and enable cross-user attacks when Fronting certain backends. Cloudf...

CVE-2026-2835 HTTP Request Smuggling via HTTP/1.0 and Transfer-Encoding Misparsing

An HTTP Request Smuggling vulnerability CWE-444 has been found in Pingora's parsing of HTTP/1.0 and Transfer-Encoding requests. The issue occurs due to improperly allowing HTTP/1.0 request bodies to be close-delimited and incorrect handling of multiple Transfer-Encoding values, allowing attackers...