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TI-2025-43481 Aliases CVE-2025-71361GHSA-8r4j-24qv-fmq9

picklescan - Remote Code Execution via Undetected idlelib.calltip.Calltip.fetch_tip

Priority HIGH 68CWE-95Published · 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 and GitHub. Impact type from CWE-95.

Summary

picklescan before 0.0.29 fails to detect malicious idlelib.calltip.Calltip.fetch_tip calls in pickle files, allowing remote code execution. Attackers can embed undetected payloads in pickle files that execute arbitrary code when loaded via pickle.load().

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0043 37th percentileScored 2026-11-07
Fix Fixed picklescan (picklescan): 0.0.29picklescan (PyPI): 0.0.29

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 0.0.290.0.29Patch availableCNA
—picklescan (PyPI)before 0.0.290.0.29Patch availableGHSA-8r4j-24qv-fmq9
  • picklescan Vendorpicklescan Affected before 0.0.29 Fixed in 0.0.29 Patch available CNA
  • picklescan (PyPI) Vendor— Affected before 0.0.29 Fixed in 0.0.29 Patch available GHSA-8r4j-24qv-fmq9

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 0.0.29
  • Fix · GHSA-8r4j-24qv-fmq9 picklescan (PyPI) Fixed in 0.0.29 Advisory →

Fixed in the same release

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

  • Release ·

    picklescan 0.0.29

    2 records Highest priority Priority HIGH 1 HIGH, 1 LOW

    Other records, highest priority first

    • TI-2025-43474 picklescan - Remote Code Execution via idlelib.debugobj.ObjectTreeItem.SetTextPriority LOW 36

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-71361
  2. 2026-10-03 Alias added: GHSA-8r4j-24qv-fmq9

References

  • 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