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TI-2025-43484 Aliases CVE-2025-71364GHSA-cf85-jm34-89c3

picklescan - Arbitrary Code Execution via Undetected asyncio.unix_events._UnixSubprocessTransport._start

Priority HIGH 68CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
Present
Impact type
Code execution
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

picklescan before 0.0.30 fails to detect the asyncio.unix_events._UnixSubprocessTransport._start function in pickle reduce methods, allowing remote code execution. Attackers can craft malicious pickle files embedding this built-in function that evade detection but execute arbitrary commands when loaded.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00697 53rd percentileScored 2026-11-07
Fix Fixed picklescan (picklescan): 0.0.30

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
picklescanpicklescanbefore 0.0.300.0.30Patch availableCNA
  • picklescan Vendorpicklescan Affected before 0.0.30 Fixed in 0.0.30 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:mmaitre314:picklescan:*:*:*:*:*:*:*:*——picklescan
  • cpe:2.3:a:mmaitre314:picklescan:*:*:*:*:*:*:*:* Versions — — ·picklescan

Remediation

  • Fix · CNA picklescan (picklescan) Fixed in 0.0.30

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    picklescan 0.0.30

    4 records Highest priority Priority HIGH 4 HIGH

    Other records, highest priority first

    • TI-2025-43464 picklescan - Arbitrary Code Execution via lib2to3.pgen2.pgen.ParserGenerator.make_label Detection BypassPriority HIGH 68
    • TI-2025-43463 picklescan - Undetected Remote Code Execution via idlelib.run.Executive.runcodePriority HIGH 68
    • TI-2025-43466 picklescan - Arbitrary Code Execution via torch.utils.bottleneck.__main__.run_autograd_profPriority HIGH 66
    Show all 4 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-71364
  2. 2026-10-03 Alias added: GHSA-cf85-jm34-89c3

References

Advisory 1

  • TI-2026-03009 picklescan - Universal Blocklist Bypass via pkgutil.resolve_name CVSS 4.0CRITICAL 10.0
  • TI-2026-40680 picklescan - Remote Code Execution via Unblocked Standard Library Modules CVSS 4.0CRITICAL 9.3
  • TI-2026-38870 picklescan - Arbitrary Code Execution via Obfuscated eval Call CVSS 4.0CRITICAL 9.3
  • TI-2026-38869 picklescan - Arbitrary Code Execution via profile.run() Blocklist Bypass CVSS 4.0CRITICAL 9.3
  • TI-2025-43446 picklescan - Detection Bypass via STACK_GLOBAL Opcode Parsing Logic Flaw CVSS 4.0CRITICAL 9.3
  • TI-2025-43444 picklescan - Remote Code Execution via Unblocked ctypes Module CVSS 4.0CRITICAL 9.3
See all 57 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences