CVE-2026-46527 cpp-httplib: Malicious `X-Forwarded-For` Under Trusted-Proxy Configuration Triggers Empty `vector::front()`, Leading to Undefined Behavior and Server Crash

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.44.0, When the server has called Server::settrustedproxies with a non-empty trusted-proxy list, an attacker can send an HTTP request that includes an X-Forwarded-For header whose value parses to no valid ...

CVE-2026-46527

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.44.0, When the server has called Server::settrustedproxies with a non-empty trusted-proxy list, an attacker can send an HTTP request that includes an X-Forwarded-For header whose value parses to no valid ...

EUVD-2026-33426

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.44.0, When the server has called Server::settrustedproxies with a non-empty trusted-proxy list, an attacker can send an HTTP request that includes an X-Forwarded-For header whose value parses to no valid ...

CVE-2026-46527

cpp-httplib (C++11 header-only library) before 0.44.0 is vulnerable when Server::set_trusted_proxies() is used with a non-empty trusted-proxy list. An attacker can send an HTTP request with an X-Forwarded-For header that parses to no valid IP segments. The code path then calls get_client_ip(), wh...

CVE-2026-46527

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.44.0, When the server has called Server::settrustedproxies with a non-empty trusted-proxy list, an attacker can send an HTTP request that includes an X-Forwarded-For header whose value parses to no valid ...

CVE-2026-46527 cpp-httplib: Malicious `X-Forwarded-For` Under Trusted-Proxy Configuration Triggers Empty `vector::front()`, Leading to Undefined Behavior and Server Crash

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.44.0, When the server has called Server::settrustedproxies with a non-empty trusted-proxy list, an attacker can send an HTTP request that includes an X-Forwarded-For header whose value parses to no valid ...

CVE-2026-46527: NULL Pointer Dereference

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.44.0, When the server has called Server::settrustedproxies with a non-empty trusted-proxy list, an attacker can send an HTTP request that includes an X-Forwarded-For header whose value parses to no valid ...

cpp-httplib 代码问题漏洞

cpp-httplib is a C++ library developed by Yhirose, designed for HTTP/HTTPS servers and clients. Versions of cpp-httplib prior to 0.44.0 contained code vulnerabilities. These vulnerabilities occurred when the server had a non-empty trusted proxy list; attackers could send HTTP requests with the...

PT-2026-44991

Name of the Vulnerable Software and Affected Versions cpp-httplib versions prior to 0.44.0 Description A denial of service occurs when the server uses the set trusted proxies function with a non-empty trusted-proxy list. An attacker can send an HTTP request containing an X-Forwarded-For header wi...

CVE-2026-45364

Better Auth is an authentication and authorization library for TypeScript. Prior to 1.4.17 and 1.5.0-beta.9, Better Auth's HTTP rate limiter keyed each request by the exact textual IP address it received in x-forwarded-for or the configured IP-bearing header. IPv6 clients controlling a typical /6...

CVE-2026-45364

Better Auth is an authentication and authorization library for TypeScript. Prior to 1.4.17 and 1.5.0-beta.9, Better Auth's HTTP rate limiter keyed each request by the exact textual IP address it received in x-forwarded-for or the configured IP-bearing header. IPv6 clients controlling a typical /6...

Better Auth 安全漏洞

Better Auth is an open-source TypeScript framework for authentication. Versions of Better Auth prior to 1.4.17 and 1.5.0-beta.9 contained security vulnerabilities. These vulnerabilities stemmed from the HTTP rate limiter, which keyed each request based on the exact text IP address in the...

CVE-2026-45364: Improper Restriction of Excessive Authentication Attempts

Better Auth is an authentication and authorization library for TypeScript. Prior to 1.4.17 and 1.5.0-beta.9, Better Auth's HTTP rate limiter keyed each request by the exact textual IP address it received in x-forwarded-for or the configured IP-bearing header. IPv6 clients controlling a typical /6...

CVE-2026-47071

Uncontrolled Resource Consumption vulnerability in benoitc hackney allows Flooding. The SOCKS5 transport in src/hackneysocks5.erl correctly applies the caller-supplied timeout to the SOCKS5 negotiation phase, but then upgrades the connection to TLS using the two-argument form ssl:connect/2, which...

CVE-2018-25349

userSpice 4.3.24 contains a cross-site scripting vulnerability that allows attackers to inject malicious scripts through the X-Forwarded-For HTTP header. Attackers can send crafted requests to the backup.php endpoint with XSS payloads in the X-Forwarded-For header that execute when administrators...

CVE-2018-25349

userSpice 4.3.24 contains a cross-site scripting vulnerability that allows attackers to inject malicious scripts through the X-Forwarded-For HTTP header. Attackers can send crafted requests to the backup.php endpoint with XSS payloads in the X-Forwarded-For header that execute when administrators...

CVE-2018-25349

The CVE-2018-25349 vulnerability affects userSpice 4.3.24. A cross-site scripting flaw arises from crafted X-Forwarded-For header values sent to backup.php, with scripts executing when administrators visit the audit log page. This is the explicit impact described in the connected records. No reme...

CVE-2018-25349 userSpice 4.3.24 Cross-Site Scripting via X-Forwarded-For Header

userSpice 4.3.24 contains a cross-site scripting vulnerability that allows attackers to inject malicious scripts through the X-Forwarded-For HTTP header. Attackers can send crafted requests to the backup.php endpoint with XSS payloads in the X-Forwarded-For header that execute when administrators...

CVE-2018-25349 userSpice 4.3.24 Cross-Site Scripting via X-Forwarded-For Header

userSpice 4.3.24 contains a cross-site scripting vulnerability that allows attackers to inject malicious scripts through the X-Forwarded-For HTTP header. Attackers can send crafted requests to the backup.php endpoint with XSS payloads in the X-Forwarded-For header that execute when administrators...

PT-2026-43060

Name of the Vulnerable Software and Affected Versions userSpice version 4.3.24 Description Cross-site scripting allows attackers to inject malicious scripts through the X-Forwarded-For HTTP header. By sending crafted requests to the 'backup.php' endpoint containing XSS payloads in the...