CVE-2025-66570
Critical · 10.0CVSS
10.0
EPSS
0.3%
Published
Dec 5, 2025
CISA due date
—
The record
cpp-httplib Untrusted HTTP Header Handling: Internal Header Shadowing (REMOTE*/LOCAL*)
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| openSUSE:Leap 16.0 | cpp-httplib | 0 | 0.22.0-160000.3.1 |
| openSUSE:Tumbleweed | cpp-httplib | 0 | 0.28.0-1.1 |
Related vulnerabilities
- CVE-2025-66577 cpp-httplib Untrusted HTTP Header Handling: X-Forwarded-For/X-Real-IP Trust Also affects cpp-httplib
- CVE-2026-46527 cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Also affects cpp-httplib
- CVE-2026-45372 cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Also affects cpp-httplib
- CVE-2026-34441 cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Also affects cpp-httplib
- CVE-2026-33745 cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Also affects cpp-httplib
- CVE-2026-32627 cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Also affects cpp-httplib
- CVE-2026-29076 cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Also affects cpp-httplib
- CVE-2026-28434 cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Also affects cpp-httplib