CVE-2026-55244 ASTEVAL: Sandbox Escape via BaseException Subclasses

ASTEVAL is an evaluator of Python expressions and statements. Prior to 1.0.9, FROMPY in asteval/astutils.py exposes BaseException, SystemExit, KeyboardInterrupt, and GeneratorExit to expressions evaluated by asteval.Interpreter.eval, while run and eval in asteval/asteval.py catch Exception rather...

CVE-2026-55244

ASTEVAL (a Python expression evaluator) prior to 1.0.9 has a sandbox escape via BaseException subclasses . The FROM_PY symbol table in astutils.py exposes SystemExit, KeyboardInterrupt, GeneratorExit, and BaseException to sandboxed expressions, while run() and eval() in asteval.py only catch Exce...

CVE-2026-55244 ASTEVAL: Sandbox Escape via BaseException Subclasses

ASTEVAL is an evaluator of Python expressions and statements. Prior to 1.0.9, FROMPY in asteval/astutils.py exposes BaseException, SystemExit, KeyboardInterrupt, and GeneratorExit to expressions evaluated by asteval.Interpreter.eval, while run and eval in asteval/asteval.py catch Exception rather...