CVE-2026-54387: Inconsistent Interpretation of HTTP Requests

Tinyproxy through 1.11.3, fixed in commit ff45d3b, fails to reconcile conflicting Content-Length and Transfer-Encoding: chunked headers, forwarding both verbatim to the backend while using Content-Length to determine how many request body bytes to consume. Remote attackers can desynchronize the...

CVE-2026-54388: Inconsistent Interpretation of HTTP Requests

Tinyproxy through 1.11.3, fixed in commit 364cdb6, fails to reject requests containing multiple Content-Length headers with differing values, forwarding all duplicate headers to the backend while using the first value to determine how many request body bytes to consume. Remote attackers can...

CVE-2026-31842 Tinyproxy HTTP request parsing desynchronization via case-sensitive Transfer-Encoding handling

Tinyproxy through 1.11.3 is vulnerable to HTTP request parsing desynchronization due to a case-sensitive comparison of the Transfer-Encoding header in src/reqs.c. The ischunkedtransfer function uses strcmp to compare the header value against "chunked", even though RFC 7230 specifies that...

EUVD-2024-20834

Malicious code in bioql PyPI...

CVE-2024-23316: Inconsistent Interpretation of HTTP Requests

HTTP request desynchronization in Ping Identity PingAccess, all versions prior to 8.0.1 affected allows an attacker to send specially crafted http header requests to create a request smuggling condition for proxied requests...