CVE-2026-3490Critical· 10.0▾ AbyssalPoC availablepicklescan before 1.0.4 fails to block pkgutil.resolve_name, 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…
▾ Abyssal zone — Critical with a public exploit or in-the-wild use
impact 55 · likelihood 0.2 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.8%
picklescan before 1.0.4 fails to block pkgutil.resolve_name, 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 code execution.
picklescan < 1.0.4Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
GHSA-82fg-2r99-h7v6Critical· 10.0Duplicate Advisory: PickleScan's pkgutil.resolve_name has a universal blocklist bypass
CVE-2026-53873Critical· 9.8picklescan - Arbitrary Code Execution via profile.run() Blocklist Bypass
CVE-2025-71357High· 8.1picklescan before 0.0.30 fails to detect malicious pickle files using idlelib.pyshell.ModifiedInterpreter.runcommand in reduce methods
CVE-2025-71378High· 8.1picklescan before 0.0.30 fails to detect cProfile.runctx function calls in pickle file reduce methods, allowing attackers to execute arbitrary code
CVE-2025-71348High· 8.1picklescan before 0.0.28 fails to detect malicious pickle files that invoke torch.utils._config_module.load_config function within reduce methods
CVE-2026-56304Medium· 6.5picklescan - Arbitrary File Creation via logging.FileHandler Deserialization