CP
Product
cpp-httplib
26
CVEs
0
On KEV
9.9
Max CVSS
2
New 30D
Severity mix
Critical 2High 17Medium 6Low 1
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Add cpp-httplib to your stack to get only the CVEs that touch what you run.
| CVE | CVSS | Published | Summary · affected versions |
|---|---|---|---|
| CVE-2026-45372 | 9.9 | May 29 | cpp-httplib: HTTP header value percent-decoding in server-side `parse_header` enables CRLF injection Affected: < 0.44.0 |
| CVE-2025-66570 | 9.8 | Dec 5 | cpp-httplib Untrusted HTTP Header Handling: Internal Header Shadowing (REMOTE*/LOCAL*) Affected: < 0.27.0 |
| CVE-2025-53628 | 8.8 | Jul 10 | cpp-httplib does not limit the length of a line Affected: < 0.20.1 |
| CVE-2023-26130 | 8.8 | May 30 | Versions of the package yhirose/cpp-httplib before 0.12.4 are vulnerable to CRLF Injection when untrusted user input is used to set the content-type header in the HTTP .Patch,… Affected: before 0.12.4 |
| CVE-2026-77358 | 8.2 | Aug 27 | cpp-httplib: Use-after-free of TLS session in WebSocketClient::shutdown_and_close() Affected: >= 0.33.0, < 0.50. |
| CVE-2026-32627 | 8.1 | Mar 13 | cpp-httplib has a Silent TLS Certificate Verification Bypass on HTTPS Redirect via Proxy Affected: < 0.37.2 |
| CVE-2026-102944 | 7.5 | Oct 14 | cpp-httplib: Cookie header leaked on cross-origin redirect Affected: < 0.51.0 |
| CVE-2026-46527 | 7.5 | May 29 | cpp-httplib: Malicious `X-Forwarded-For` Under Trusted-Proxy Configuration Triggers Empty `vector::front()`, Leading to Undefined Behavior and Server Crash Affected: < 0.44.0 |
| CVE-2026-45352 | 7.5 | May 29 | cpp-httplib DoS: Negative chunk-size in chunked Transfer-Encoding Affected: < 0.43.4 |
| CVE-2026-31870 | 7.5 | Mar 11 | cpp-httplib Affected by Remote Process Crash via Malformed Content-Length Response Header Affected: < 0.37.1 |
| CVE-2026-28435 | 7.5 | Mar 4 | Payload size limit bypass via gzip decompression in ContentReader (streaming) allows oversized request bodies in cpp-httplib Affected: < 0.35.0 |
| CVE-2026-22776 | 7.5 | Jan 12 | cpp-httplib vulnerable to a denial of service (DOS) using a zip bomb Affected: < 0.30.1 |
| CVE-2026-21428 | 7.5 | Jan 1 | cpp-httplib has CRLF injection in http headers Affected: < 0.30.0 |
| CVE-2025-53629 | 7.5 | Jul 10 | cpp-httplib Unbounded Memory Allocation in Chunked/No-Length Requests Vulnerability Affected: < 0.23.0 |
| CVE-2025-52887 | 7.5 | Jun 26 | cpp-httplib has unlimited number of http header fields, which causes memory leak Affected: = 0.21.0 |
| CVE-2025-46728 | 7.5 | May 6 | cpp-httplib has Unbounded Memory Allocation in Chunked/No-Length Requests Affected: < 0.20.1 |
| CVE-2020-11709 | 7.5 | Apr 12 | cpp-httplib through 0.5.8 does not filter \r\n in parameters passed into the set_redirect and set_header functions, which creates possibilities for CRLF injection and HTTP… Affected: through 0.5.8 |
| CVE-2026-54919 | 7.4 | Jul 10 | cpp-httplib: TLS certificate chain verification bypassed for IP-literal hosts on Mbed TLS and wolfSSL backends Affected: >= 0.31.0, < 0.47.0 |
| CVE-2026-33745 | 7.4 | Mar 27 | cpp-httplib Client Leaks Authentication Credentials to Untrusted Hosts on Cross-Origin HTTP Redirect Affected: < 0.39.0 |
| CVE-2026-34441 | 6.5 | Mar 31 | cpp-httplib: HTTP Request Smuggling via Unconsumed GET Request Body Affected: < 0.40.0 |
| CVE-2026-29076 | 5.9 | Mar 7 | cpp-httplib: Stack Overflow Denial of Service (DoS) via std::regex in multipart filename parsing Affected: < 0.37.0 |
| CVE-2026-77341 | 5.3 | Aug 27 | cpp-httplib: CRLF injection via unvalidated HTTP trailer headers in chunked response writing Affected: >= 0.49.0, < 0.50.0 |
| CVE-2026-28434 | 5.3 | Mar 4 | cpp-httplib's default exception handler leaks e.what() to clients via EXCEPTION_WHAT response header Affected: < 0.35.0 |
| CVE-2025-66577 | 5.3 | Dec 5 | cpp-httplib Untrusted HTTP Header Handling: X-Forwarded-For/X-Real-IP Trust Affected: < 0.27.0 |
| CVE-2025-0825 | 5.3 | Feb 4 | CRLF injection in Cpp-httplib Affected: 0.17.3 before 0.18.4 |
| CVE-2026-103930 | 3.7 | Oct 14 | cpp-httplib open_stream serializes CRLF in request target into HTTP request line Affected: >= 0.29.0, < 0.51.0 |
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