Vulnerability · Published Jul 4, 2026 · Assigned by VulnCheck
CVE-2025-71362picklescan - Arbitrary Code Execution via Unsafe Deserialization in numpy.f2py.crackfortran
High 8.1
In plain English
A high-severity unsafe deserialization in picklescan from picklescan. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.4%top 62.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
picklescan before 0.0.33 fails to detect unsafe deserialization when numpy.f2py.crackfortran functions call eval on arbitrary strings. Attackers can embed malicious code in pickle files that executes when loaded from untrusted sources.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | picklescan | 0.0.33 | GHSA-r8g5-cgf2-4m4m |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| picklescan | picklescan | 0 – before 0.0.33 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N