Vulnerability · Published Sep 17, 2025 · Assigned by JFROG

CVE-2025-10155PickleScan Security Bypass Using Misleading File Extension

Critical 9.3

In plain English

A critical-severity improper input validation in picklescan from mmaitre314. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)9.3Critical
Exploit odds (30 days)0.8%top 41.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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 packages & fixed versions

EcosystemPackageFixed inAdvisory
PyPIpicklescan0.0.31GHSA-jgw4-cr84-mqxg
PyPIpicklescan0.0.31PYSEC-2025-151

Affected products (as reported)

VendorProductVersions
mmaitre314 picklescan 0 – through 0.0.30

Weakness: CWE-20 · Vector: 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

References