CVE-2026-77341
Description
A flaw was found in cpp-httplib, a C++ HTTP/HTTPS library. This vulnerability allows a remote attacker to inject arbitrary HTTP headers or split HTTP responses by sending specially crafted data within chunked response trailer headers. The library fails to properly validate these headers, enabling an attacker to forge response headers or inject an entirely new HTTP response. This could lead to various attacks, including cache poisoning or cross-site scripting.
Statement
Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Understanding the Weakness (CWE)
Integrity
Technical Impact: Modify Application Data
Frequently Asked Questions
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