MathWorks Simulink before R2026b, when showing a crafted .slx file, can have blocks that are never visible in the Simulink Editor but will cause code execution.Referenceshttps://www.mathworks.com/products/simulink.htmlhttps://alexanderboll.dev/disclosures/simulink-vulnerability-concealed-blocks/https://www.mathworks.com/help/simulink/release-notes.html#mw_81eb54b6-4dfa-42c1-8c3c-e998eff5a8cd