High · published November 18, 2025
🚨 A sneaky Unsafe Deserialization vulnerability in Modular Max Serve can let an attacker execute arbitrary code using just the right feature flag! ⚡ Think of it as a restaurant kitchen that will cook any order without checking if the recipe is real or harmful — any malicious command could be served up and cause chaos. An attacker could take control of your server completely, running any code they want! This could lead to data theft, system manipulation, or even a full system compromise — absolutely devastating!
Think of it as a restaurant kitchen that will cook any order without checking if the recipe is real or harmful — any malicious command could be served up and cause chaos. This Unsafe Deserialization vulnerability allows attackers to exploit the '--experimental-enable-kvcache-agent' feature, leading to the execution of arbitrary code on the server without proper checks.
An attacker could take control of your server completely, running any code they want! This could lead to data theft, system manipulation, or even a full system compromise — absolutely devastating! Update Modular Max Serve to version 25.6 or later immediately. Additionally, if you’re using the experimental feature, assess whether it’s essential for your use case, and consider disabling it until a full fix is implemented. This is fixable! Get that update rolling, and you'll lock down your server in no time! 🛡️