CVE-2026-79919 MaxKB function-library sandbox escape: dlopen stack-check bypass via importlib meta-path callbacks and unhooked dlsym(RTLD_NEXT)

MaxKB is an open-source AI assistant for enterprise. Prior to version 2.10.6-lts, function-library code running under the LDPRELOAD sandbox can invoke ctypes.CDLL from an importlib.abc.MetaPathFinder callback so the dlopen call-stack heuristic sees a Python import frame, then use unhooked dlsym...