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CVE-2026-103930

Medium priority
Needs evaluation

cpp-httplib is a C++ header-only HTTP/HTTPS library. From 0.29.0 until 0.51.0, Client::open_stream in httplib.h accepts a caller-controlled path that reaches detail::write_request_line() without the...

1 affected package

cpp-httplib

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cpp-httplib Needs evaluation Needs evaluation Needs evaluation — —
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CVE-2026-102944

Medium priority
Needs evaluation

cpp-httplib is a C++ header-only HTTP/HTTPS library. Prior to 0.51.0, create_redirect_client() removes Host, Proxy-Authorization, and Authorization headers when following a cross-origin 301, 302, 307, or 308 redirect but leaves...

1 affected package

cpp-httplib

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cpp-httplib Needs evaluation Needs evaluation Needs evaluation — —
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CVE-2026-77358

Medium priority
Needs evaluation

cpp-httplib is a C++ header-only HTTP/HTTPS library. In versions 0.33.0 through 0.50.0, the TLS-enabled WebSocket client frees the TLS session before closing the WebSocket that still uses it, producing a use-after-free. In...

1 affected package

cpp-httplib

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cpp-httplib Needs evaluation Needs evaluation Needs evaluation — —
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CVE-2026-77341

Medium priority
Needs evaluation

cpp-httplib is a C++ header-only HTTP/HTTPS library. In version 0.49.0, the chunked-response trailer output path writes trailer header names and values directly to the socket without validating them, allowing CRLF sequences in a...

1 affected package

cpp-httplib

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cpp-httplib Needs evaluation Needs evaluation Needs evaluation — —
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CVE-2026-54919

Medium priority
Needs evaluation

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. In affected Mbed TLS backend versions from 0.31.0 through 0.46.1 and wolfSSL backend versions from 0.33.0 through 0.46.1, when cpp-httplib is built...

1 affected package

cpp-httplib

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cpp-httplib Needs evaluation Needs evaluation Needs evaluation — —
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CVE-2026-46527

Medium priority
Needs evaluation

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::set_trusted_proxies() with a non-empty trusted-proxy list, an attacker can send an HTTP request...

1 affected package

cpp-httplib

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cpp-httplib Needs evaluation Needs evaluation Needs evaluation — —
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CVE-2026-45372

Medium priority

Some fixes available 4 of 5

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.44.0, when cpp-httplib's server parses an incoming request, it applies percent-decoding to every header value except Location and...

1 affected package

cpp-httplib

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cpp-httplib Fixed Fixed Fixed — —
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CVE-2026-45352

Medium priority
Needs evaluation

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.43.4, negative chunk-size in chunked Transfer-Encoding causes unbounded memory allocation and process crash....

1 affected package

cpp-httplib

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cpp-httplib Needs evaluation Needs evaluation Needs evaluation — —
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CVE-2026-34441

Medium priority
Needs evaluation

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.40.0, cpp-httplib is vulnerable to HTTP Request Smuggling. The server's static file handler serves GET responses...

1 affected package

cpp-httplib

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cpp-httplib Needs evaluation Needs evaluation Needs evaluation — —
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CVE-2026-33745

Medium priority
Needs evaluation

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.39.0, the cpp-httplib HTTP client forwards stored Basic Auth, Bearer Token, and Digest Auth credentials to arbitrary hosts when following...

1 affected package

cpp-httplib

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cpp-httplib Needs evaluation Needs evaluation Needs evaluation — —
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