Is CVE-2025-71362 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2025-71362 being exploited in the wild.

How severe is CVE-2025-71362?

High severity, with a CVSS score of 8.1, published 4 July 2026.

Which products and versions are affected?

picklescan (PyPI) ECOSYSTEM:introduced=0,fixed=0.0.33.

Is there a fix for CVE-2025-71362?

Yes. picklescan (PyPI): upgrade to 0.0.33 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2025-71362 attacked?

It is attacked over the network, in a software library.

Am I affected by CVE-2025-71362?

Check whether you run picklescan (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2025-71362: picklescan detection bypass in numpy.f2py.crackfortran

CVE-2025-71362 · Severity: high · CVSS 8.1 · Published 2026-07-04

picklescan is a security tool used to scan Python "pickle" files for malicious code before they are opened. A flaw in the tool allows specially crafted malicious files to bypass detection by using specific functions from the NumPy library. If a user relies on an affected version of picklescan to verify a file from an untrusted source, an attacker could execute arbitrary commands on the user's system when the file is eventually loaded.

Technologies: picklescan (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2025-71362 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2025-71362 being exploited in the wild.
How severe is CVE-2025-71362?: High severity, with a CVSS score of 8.1, published 4 July 2026.
Which products and versions are affected?: picklescan (PyPI) ECOSYSTEM:introduced=0,fixed=0.0.33.
Is there a fix for CVE-2025-71362?: Yes. picklescan (PyPI): upgrade to 0.0.33 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2025-71362 attacked?: It is attacked over the network, in a software library.
Am I affected by CVE-2025-71362?: Check whether you run picklescan (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

picklescan (PyPI): upgrade to 0.0.33 or later
```
pip install "picklescan>=0.0.33"
```

Technical details

picklescan versions prior to 0.0.33 contain a detection bypass vulnerability (CWE-502) related to unsafe deserialization. The tool fails to identify malicious payloads that leverage functions within the `numpy.f2py.crackfortran` module, such as `getlincoef` and `_eval_length`, which internally call `eval()` on input strings. An attacker can craft a malicious pickle file that uses these NumPy functions as a gadget to execute arbitrary Python code. While the attack requires a user to attempt to load the malicious file, the failure of picklescan to flag the threat provides a false sense of security. The issue is resolved in version 0.0.33.

Affected products

mmaitre314 picklescan < 0.0.33

Identifiers

CVE-2025-71362
GHSA-r8g5-cgf2-4m4m

Timeline

2025-12-26: advisory: Initial GitHub security advisory published
2026-07-04: disclosed: NVD publication date

References

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