CVE-2026-22776

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.1, a Denial of Service DoS vulnerability exists in cpp-httplib due to the unsafe handling of compressed HTTP request bodies Content-Encoding: gzip, br, etc.. The library validates the...

CVE-2026-22776

CVE-2026-22776 affects cpp-httplib prior to 0.30.1. The DoS arises from unsafe handling of compressed HTTP request bodies (Content-Encoding: gzip, br, etc.); the implementation validates payload_max_length against the compressed data size but does not cap the decompressed data in memory. This can...

EUVD-2026-2006

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.1, a Denial of Service DoS vulnerability exists in cpp-httplib due to the unsafe handling of compressed HTTP request bodies Content-Encoding: gzip, br, etc.. The library validates the...

CVE-2026-22776 cpp-httplib vulnerable to a denial of service (DOS) using a zip bomb

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.1, a Denial of Service DoS vulnerability exists in cpp-httplib due to the unsafe handling of compressed HTTP request bodies Content-Encoding: gzip, br, etc.. The library validates the...

cpp-httplib 安全漏洞

cpp-httplib is an HTTP/HTTPS server and client library written in C++ by the individual developer yhirose. A security vulnerability exists in cpp-httplib versions prior to 0.30.1, which stems from insecure handling of compressed HTTP request bodies and could lead to a denial-of-service attack...

CVE-2026-22776: Improper Handling of Highly Compressed Data (Data Amplification)

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.1, a Denial of Service DoS vulnerability exists in cpp-httplib due to the unsafe handling of compressed HTTP request bodies Content-Encoding: gzip, br, etc.. The library validates the...

PT-2026-2292

Name of the Vulnerable Software and Affected Versions cpp-httplib versions prior to 0.30.1 Description A potential denial of service DoS condition exists in cpp-httplib due to the way it handles compressed HTTP request bodies, specifically those using gzip or br compression. The library checks th...

Linux Distros Unpatched Vulnerability : CVE-2026-22776

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.1, a Denial of Service DoS vulnerability exists in...

Security update for cpp-httplib (important)

openSUSE Security Update: Security update for cpp-httplib Announcement ID: openSUSE-SU-2026:0007-1 Rating: important References: 1245414 1246468 1246471 Cross-References: CVE-2025-52887 CVE-2025-53628 CVE-2025-53629 CVSS scores: CVE-2025-52887 SUSE: 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:...

The vulnerability of the cpp-httplib library, related to uncontrolled resource consumption, allows attackers to cause service failures.

The vulnerability of the cpp-httplib library is related to an uncontrolled resource consumption. Exploiting this vulnerability may allow a malicious actor, operating remotely, to cause service failures...

CVE-2026-21428

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.0, the writeheaders function does not check for CR & LF characters in user supplied headers, allowing untrusted header value to escape header lines. This vulnerability allows attackers to add...

CVE-2026-21428

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.0, the writeheaders function does not check for CR & LF characters in user supplied headers, allowing untrusted header value to escape header lines. This vulnerability allows attackers to add...

CVE-2026-21428 cpp-httplib has CRLF injection in http headers

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.0, the writeheaders function does not check for CR & LF characters in user supplied headers, allowing untrusted header value to escape header lines. This vulnerability allows attackers to add...

PT-2026-1013

Name of the Vulnerable Software and Affected Versions cpp-httplib versions prior to 0.30.0 Description The write headers function in cpp-httplib does not properly validate user-supplied headers, specifically failing to check for carriage return CR and line feed LF characters. This allows attacker...

CVE-2026-21428: Improper Neutralization of CRLF Sequences

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.0, the writeheaders function does not check for CR & LF characters in user supplied headers, allowing untrusted header value to escape header lines. This vulnerability allows attackers to add...

cpp-httplib 注入漏洞

cpp-httplib is an HTTP/HTTPS server and client library written in C++ by the individual developer yhirose. An injection vulnerability exists in versions prior to cpp-httplib 0.30.0, which stems from a failure to check for CR and LF characters in user-supplied headers, which could lead to the...

Linux Distros Unpatched Vulnerability : CVE-2026-21428

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.0, the writeheaders function does not check for CR & LF...

OESA-2025-2856 cpp-httplib security update

A C++11 single-file header-only cross platform HTTP/HTTPS library. It's extremely easy to setup. Just include httplib.h file in your code! Security Fixes: cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.27.0, a vulnerability allows attacker-controlled...

OESA-2025-2858 cpp-httplib security update

A C++11 single-file header-only cross platform HTTP/HTTPS library. It's extremely easy to setup. Just include httplib.h file in your code! Security Fixes: cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.27.0, a vulnerability allows attacker-controlled...

OESA-2025-2855 cpp-httplib security update

A C++11 single-file header-only cross platform HTTP/HTTPS library. It's extremely easy to setup. Just include httplib.h file in your code! Security Fixes: cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.27.0, a vulnerability allows attacker-controlled...