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cpp-httplib — Vulnerabilities & Security Advisories 15

All 15 CVE vulnerabilities found in cpp-httplib, with AI-generated Chinese analysis, references, and POCs.

Vendor: yhirose

CVE IDTitleCVSSSeverityPublished
CVE-2026-34441 cpp-httplib: HTTP Request Smuggling via Unconsumed GET Request Body CWE-444 4.8 Medium2026-03-31
CVE-2026-33745 cpp-httplib Client Leaks Authentication Credentials to Untrusted Hosts on Cross-Origin HTTP Redirect CWE-200 7.4 High2026-03-27
CVE-2026-32627 cpp-httplib has a Silent TLS Certificate Verification Bypass on HTTPS Redirect via Proxy CWE-295 8.7 High2026-03-13
CVE-2026-31870 cpp-httplib Affected by Remote Process Crash via Malformed Content-Length Response Header CWE-248 7.5 High2026-03-11
CVE-2026-29076 cpp-httplib: Stack Overflow Denial of Service (DoS) via std::regex in multipart filename parsing CWE-674 5.9 Medium2026-03-07
CVE-2026-28435 Payload size limit bypass via gzip decompression in ContentReader (streaming) allows oversized request bodies in cpp-httplib CWE-400 7.5 High2026-03-04
CVE-2026-28434 cpp-httplib's default exception handler leaks e.what() to clients via EXCEPTION_WHAT response header CWE-200 5.3 Medium2026-03-04
CVE-2026-22776 cpp-httplib vulnerable to a denial of service (DOS) using a zip bomb CWE-409 7.5AIHighAI2026-01-12
CVE-2026-21428 cpp-httplib has CRLF injection in http headers CWE-93 9.1 -2026-01-01
CVE-2025-66577 cpp-httplib Untrusted HTTP Header Handling: X-Forwarded-For/X-Real-IP Trust CWE-117 5.3 Medium2025-12-05
CVE-2025-66570 cpp-httplib Untrusted HTTP Header Handling: Internal Header Shadowing (REMOTE*/LOCAL*) CWE-290 10.0 Critical2025-12-05
CVE-2025-53629 cpp-httplib Unbounded Memory Allocation in Chunked/No-Length Requests Vulnerability CWE-770 7.5 High2025-07-10
CVE-2025-53628 cpp-httplib does not limit the length of a line CWE-835 7.5AIHighAI2025-07-10
CVE-2025-52887 cpp-httplib has unlimited number of http header fields, which causes memory leak CWE-400 7.5 High2025-06-26
CVE-2025-46728 cpp-httplib has Unbounded Memory Allocation in Chunked/No-Length Requests CWE-400 7.5 High2025-05-06

All 15 known CVE vulnerabilities affecting cpp-httplib with full Chinese analysis, references, and POCs where available.