CVE-2025-71378

Name: CVE-2025-71378
Creator: NVD / NIST
Published: 2026-06-21T14:16:23.14+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.6/10EPSS 0.31%

Last modified Jun 26, 2026

CVE-2025-71378 is a high-severity vulnerability rated 7.6/10 on the CVSS scale. picklescan before 0.0.30 fails to detect cProfile.runctx function calls in pickle file reduce methods, allowing attackers to execute arbitrary code. Malicious pickle files bypass picklescan detection and execute remote code when loaded via pickle.load().. EPSS estimates a 0.31% chance of exploitation in the next 30 days.

Description

picklescan before 0.0.30 fails to detect cProfile.runctx function calls in pickle file reduce methods, allowing attackers to execute arbitrary code. Malicious pickle files bypass picklescan detection and execute remote code when loaded via pickle.load().

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS 4.0

7.6/10

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.31%

23.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

Affected Software

Vendor	Product	Versions
Mmaitre314	Picklescan	< 0.0.30

References

https://github.com/mmaitre314/picklescan/security/advisories/GHSA-9w88-8rmg-7g2pExploit, Vendor Advisory
https://www.vulncheck.com/advisories/picklescan-remote-code-execution-via-undetected-cprofile-runctx-in-pickle-filesThird Party Advisory
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-9w88-8rmg-7g2pExploit, Vendor Advisory

Timeline

Published: Jun 21, 2026
Last Modified: Jun 26, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-71378?

How severe is CVE-2025-71378?

CVE-2025-71378 has a CVSS score of 7.6/10 (HIGH severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.

How do I fix CVE-2025-71378?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-71378?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST