PickleScan Security Bypass Using Misleading File Extension
Published Sep 17, 2025
9.3
CRITICALCVSS 4.0
EPSS 0.85%
Description
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.
Affected products
-
- Version 0StatusaffectedConstraints<=0.0.30
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Mmaitre314 | Picklescan | unaffected |
|
- < 0.0.31
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
1 other source (NVD) ▾
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Sep 17, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2025–2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.85% (0.00847) | 56.61th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.82% (0.00816) | 52.15th | v5 (v2026.06.15) |
| Sep 17, 2025 | 0.26% (0.00257) | 49.00th | v4 (v2025.03.14) |
References (6)
- https://github.com/advisories/GHSA-jgw4-cr84-mqxg Advisory
- https://github.com/mmaitre314/picklescan/blob/58983e1c20973ac42f2df7ff15d7c8cd32f9b688/src/picklescan/scanner.py#L463 Product
- https://github.com/mmaitre314/picklescan/commit/28a7b4ef753466572bda3313737116eeb9b4e5c5
- https://github.com/mmaitre314/picklescan/security/advisories/GHSA-jgw4-cr84-mqxg exploitvendor-advisoryPatchVendor Advisory
- https://github.com/pypa/advisory-database/tree/main/vulns/picklescan/PYSEC-2025-151.yaml
- https://nvd.nist.gov/vuln/detail/CVE-2025-10155
Change history (0)
No recorded changes yet.