PickleScan Security Bypass Using Misleading File Extension
Priority HIGH 73CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-693.
Summary
An Improper Input Validation vulnerability in the scanning logic of mmaitre314 picklescan versions up to and including 0.0.30 allows a remote attacker to bypass pickle files security checks by supplying a standard pickle file with a PyTorch-related file extension. When the pickle file incorrectly considered safe is loaded, it can lead to the execution of malicious code.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00847 58th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed picklescan (PyPI): 0.0.31
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
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 | up to 0.0.30 | — | No fix listed | CNA |
| — | picklescan (PyPI) | before 0.0.31 | 0.0.31 | Patch available | GHSA-jgw4-cr84-mqxg |
- picklescan Vendorpicklescan Affected up to 0.0.30 Fixed in — No fix listed CNA
- picklescan (PyPI) Vendor— Affected before 0.0.31 Fixed in 0.0.31 Patch available GHSA-jgw4-cr84-mqxg
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mmaitre314:picklescan:*:*:*:*:*:*:*:* | before 0.0.31 | Vulnerable | picklescan |
- cpe:2.3:a:mmaitre314:picklescan:*:*:*:*:*:*:*:* Versions before 0.0.31 Vulnerable ·picklescan
Remediation
- Fix · GHSA-jgw4-cr84-mqxg picklescan (PyPI) Fixed in 0.0.31 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2025-10155
- 2026-10-03 Alias added: GHSA-jgw4-cr84-mqxg
References
Exploit 1
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-2026-40669 picklescan - Arbitrary File Creation via logging.FileHandler Deserialization CVSS 4.0MEDIUM 6.9
- TI-2025-43498 picklescan - Remote Code Execution via Undetected cProfile.runctx in Pickle Files CVSS 4.0HIGH 7.6
- 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-2025-10155 · CVE Program
- CVE-2025-10155 · NVD
- FIRST EPSS
- GHSA-jgw4-cr84-mqxg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences