Arbitrary Code Execution Vulnerability in Picklescan by Picklescan Team
CVE-2025-71339

7.6HIGH

Key Information:

Vendor

Picklescan

Status
Picklescan
Vendor
CVE Published:
22 June 2026

What is CVE-2025-71339?

The vulnerability in Picklescan prior to version 0.0.33 stems from its failure to properly validate the numpy.f2py.crackfortran._eval_length gadget within pickle reduce methods. This oversight enables attackers to create malicious pickle files that, when processed by users trusting the validation features of Picklescan, can result in the execution of arbitrary Python code, posing significant security risks.

Affected Version(s)

Picklescan 0 < 0.0.33

Picklescan 0.0.33

References

https://github.com/mmaitre314/picklescan/security/advisor...
vendor-advisory
https://www.vulncheck.com/advisories/picklescan-arbitrary...
third-party-advisory

CVSS V4

Score:
7.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

ac0d3r
Lyutoon
.