CVE-2026-3490

picklescan before 1.0.4 fails to block pkgutil.resolvename, allowing attackers to bypass the entire blocklist by resolving any dangerous function through indirect REDUCE calls. Remote attackers can invoke any blocked function such as os.system, builtins.exec, or subprocess.call to achieve remote...

CVE-2026-3490

CVE-2026-3490 affects picklescan prior to version 1.0.4, where the blocklist of dangerous functions is bypassed via pkgutil.resolve_name. The underlying issue is an incomplete blocklist that allows indirect REDUCE calls to resolve dangerous functions, enabling remote code execution (e.g., os.syst...