CVE-2020-11709: Yhirose Cpp-Httplib

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

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 response splitting in some specific contexts.

Affected products

• Yhirose Cpp-Httplib: up to and including 0.5.8

Published 2020-04-12. Last modified 2026-06-17.