Vulnerability in Yhirose Cpp-httplib

CVE-2026-54919

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 with CPPH…

Vulnerability class: Improper Certificate Validation

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-54919?
CVE-2026-54919 is a high-severity vulnerability in Yhirose Cpp-httplib, classified under Improper Certificate Validation. CVSS score: 7.4/10. Published 2026-07-10.
How severe is CVE-2026-54919?
High severity. CVSS v3 base score is 7.4 out of 10.