CVE-2025-71322High· 8.8▾ TwilightPickleScan before 0.0.33 fails to include the pty.spawn function in its unsafe globals list, allowing attackers to bypass security checks. Malicious actors can craft pickle payloads using pty.spawn to achieve arbitrary code execution whe…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 48.4 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 6.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.4%
Last analysed / modified upstream
PickleScan before 0.0.33 fails to include the pty.spawn function in its unsafe globals list, allowing attackers to bypass security checks. Malicious actors can craft pickle payloads using pty.spawn to achieve arbitrary code execution when files are processed by PickleScan.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Affected packages:
picklescan < 0.0.33Patched in:
picklescan 0.0.33Connected by shared product, vendor, weakness, or advisory.
GHSA-5gp7-4733-2w2vHigh· 8.8Duplicate Advisory: Picklescan Bypasses Unsafe Globals Check using pty.spawn
CVE-2025-71321Critical· 9.8picklescan before 0.0.33 contains an arbitrary file writing vulnerability that allows attackers to bypass the dangerous blocklist by using distutils.file_util.write_file
CVE-2025-71320Critical· 9.8picklescan before 0.0.33 contains an incomplete deny-list that fails to block pydoc.locate and operator.methodcaller functions, allowing attackers to bypass security checks
CVE-2025-71339High· 8.1Picklescan before 0.0.33 fails to detect the numpy.f2py.crackfortran._eval_length gadget in pickle __reduce__ methods, allowing arbitrary code execution
CVE-2025-71323Critical· 9.8picklescan before 0.0.33 fails to block the ctypes module, allowing attackers to achieve remote code execution by invoking direct syscalls and accessing raw memory
CVE-2025-71365High· 8.1picklescan before 0.0.33 fails to detect malicious pickle files that invoke numpy.f2py.crackfortran.myeval function through the reduce method