picklescan - Remote Code Execution via Undetected cProfile.runctx in Pickle Files
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 and GitHub. Impact type from CWE-502.
Summary
picklescan before 0.0.30 fails to detect cProfile.runctx function calls in pickle file reduce methods, allowing attackers to execute arbitrary code. Malicious pickle files bypass picklescan detection and execute remote code when loaded via pickle.load().
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0048 41st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed picklescan (picklescan): 0.0.30picklescan (PyPI): 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| picklescan | picklescan | before 0.0.30 | 0.0.30 | Patch available | CNA |
| — | picklescan (PyPI) | before 0.0.30 | 0.0.30 | Patch available | GHSA-9w88-8rmg-7g2p |
- picklescan Vendorpicklescan Affected before 0.0.30 Fixed in 0.0.30 Patch available CNA
- picklescan (PyPI) Vendor— Affected before 0.0.30 Fixed in 0.0.30 Patch available GHSA-9w88-8rmg-7g2p
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mmaitre314:picklescan:*:*:*:*:*:*:*:* | before 0.0.30 | Vulnerable | picklescan |
- cpe:2.3:a:mmaitre314:picklescan:*:*:*:*:*:*:*:* Versions before 0.0.30 Vulnerable ·picklescan
Remediation
- Fix · CNA picklescan (picklescan) Fixed in 0.0.30
- Fix · GHSA-9w88-8rmg-7g2p picklescan (PyPI) Fixed in 0.0.30 Advisory →
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
picklescan 0.0.30
2 records Highest priority Priority HIGH 2 HIGH
Other records, highest priority first
- TI-2025-43477 picklescan - Arbitrary Code Execution via Undetected idlelib.pyshell.ModifiedInterpreter.runcommandPriority HIGH 68
Timeline
- 2026-10-02 Threatist record created from CVE-2025-71378
- 2026-10-03 Alias added: GHSA-9w88-8rmg-7g2p
References
More Picklescan vulnerabilities
- TI-2025-09324 PickleScan Bypasses Unsafe Globals Check Using Submodule Imports CVSS 4.0CRITICAL 9.3
- TI-2025-09323 PickleScan Security Bypass via Bad CRC in ZIP Archive CVSS 4.0CRITICAL 9.3
- TI-2025-09322 PickleScan Security Bypass Using Misleading File Extension CVSS 4.0CRITICAL 9.3
- TI-2026-40669 picklescan - Arbitrary File Creation via logging.FileHandler Deserialization CVSS 4.0MEDIUM 6.9
- TI-2025-43477 picklescan - Arbitrary Code Execution via Undetected idlelib.pyshell.ModifiedInterpreter.runcommand CVSS 4.0HIGH 7.6
- TI-2025-43468 picklescan - Arbitrary Code Execution via torch.utils._config_module.load_config Bypass CVSS 4.0HIGH 7.6
Sources
- CVE-2025-71378 · CVE Program
- CVE-2025-71378 · NVD
- FIRST EPSS
- GHSA-9w88-8rmg-7g2p · GitHub Advisory Database · CC BY 4.0
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