CVE-2025-71371 | picklescan before 0.0.29 fails to detect malicious pickle fi… | CVSS 8.1 HIGH

Description

picklescan before 0.0.29 fails to detect malicious pickle files using code.InteractiveInterpreter.runcode in reduce methods. Attackers can craft pickle payloads that bypass picklescan detection and execute arbitrary code when loaded via pickle.load().

Metadata

CVE ID: CVE-2025-71371
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-06-20 13:01 UTC
Published: 2026-06-30 22:08 UTC
Last updated: 2026-06-30 22:08 UTC
Primary CWE: CWE-502
Deserialization of Untrusted Data
Vendor / Product: picklescan / picklescan
Sources: cve.org · NVD

Severity & Metrics

8.1 HIGH CVSS 3.1

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

Affected products (1)

Vendor	Product	Platform	Versions
picklescan	picklescan	—	0 < 0.0.29, 0.0.29

Weakness (CWE)

CWE	Source	Description
CWE-502	cna	Deserialization of Untrusted Data

CVSS scores (2)

Score	Severity	Version	Source	Vector
8.1	HIGH	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
7.6	HIGH	4.0	cna	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

References (2)

GitHub Security Advisory (GHSA-cj3c-v495-4xqh) https://github.com/mmaitre314/picklescan/security/advisories/GHSA-cj3c-v495-4xqh
VulnCheck Advisory: picklescan - Remote Code Execution via code.InteractiveInterpreter Detection Bypass https://www.vulncheck.com/advisories/picklescan-remote-code-execution-via-code-interactiveinterpreter-detection-bypass