What’s Vulnerable › Vulnerabilities

CVE-2025-71341: picklescan - Remote Code Execution via Undetected profile.Profile.runctx

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-23 · updated 2026-10-12
• Weakness: CWE-502

Description

picklescan before 0.0.29 fails to detect the profile.Profile.runctx function when analyzing pickle files, allowing attackers to embed undetected malicious code. Remote attackers can craft malicious pickle files using profile.Profile.runctx in the reduce method to achieve remote code execution when the pickle file is loaded.

Affected products

• picklescan: before 0.0.29 — fixed in 0.0.29

How to fix

Upgrade to a fixed version: picklescan 0.0.29. Check the vendor advisory for mitigations.

References

• https://github.com/mmaitre314/picklescan/security/advisories/GHSA-6vqj-c2q5-j97w
• https://www.vulncheck.com/advisories/picklescan-remote-code-execution-via-undetected-profile-profile-runctx
• https://github.com/mmaitre314/picklescan/security/advisories/GHSA-6vqj-c2q5-j97w

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