CVE-2026-39419

MaxKB (enterprise open-source AI assistant)

CVE-2026-39419 MaxKB: Sandbox Result Validation Bypass via Tool Output Spoofing

MaxKB is an open-source AI assistant for enterprise. In versions 2.7.1 and below, an authenticated user can bypass sandbox result validation and spoof tool execution results by exploiting Python frame introspection to read the wrapper's UUID from its bytecode constants, then writing a forged resu...

CVE-2026-39419 MaxKB: Sandbox Result Validation Bypass via Tool Output Spoofing

MaxKB is an open-source AI assistant for enterprise. In versions 2.7.1 and below, an authenticated user can bypass sandbox result validation and spoof tool execution results by exploiting Python frame introspection to read the wrapper's UUID from its bytecode constants, then writing a forged resu...