CVE-2026-8932 libcurl mTLS Connection Reuse Authentication Bypass

Syed Usfar Wasim@nCD24

•updated Jun 30, 2026•2•0•4

This rule detects potentially malicious use of libcurl or curl.exe involving mTLS-related flags (e.g., --cert, --key, --cacert) in non-browser processes. It specifically flags instances where such processes perform repeated HTTPS connections to remote hosts, which may indicate exploitation of CVE-2026-8932 related to mTLS connection reuse and authentication bypass.