A vulnerability identified as problematic has been detected in Squirrel up to 3.2. This affects the function SQCompiler::Factor/SQCompiler::UnaryOP of the file squirrel/sqcompiler.cpp. Performing a manipulation results in uncontrolled recursion.

This vulnerability was named CVE-2026-3388. The attack needs to be approached locally. In addition, an exploit is available.

The project was informed of the problem early through an issue report but has not responded yet.