picklescan – Arbitrary Code Execution via Undetected idlelib.pyshell.ModifiedInterpreter.runcommand_CVE-2025-71357

7.6 / 10

HIGH

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

Description

picklescan before 0.0.30 fails to detect malicious pickle files using idlelib.pyshell.ModifiedInterpreter.runcommand in reduce methods. Attackers can embed undetected code in pickle files that executes remote commands when loaded by victims.

Basic Information

ID CVE-2025-71357

Source VulnCheck

Published Jun 21, 2026 at 13:26

Affected Product

Vendor picklescan

Product picklescan

Affected Versions picklescan picklescan 0

CWE Classification

CWE-502

References

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    "lastseen": "",
    "description": "picklescan before 0.0.30 fails to detect malicious pickle files using idlelib.pyshell.ModifiedInterpreter.runcommand in reduce methods. Attackers can embed undetected code in pickle files that executes remote commands when loaded by victims.",
    "published": "2026-06-21T13:26:49.422Z",
    "modified": "2026-06-21T13:26:49.422Z",
    "type": "cve",
    "title": "picklescan - Arbitrary Code Execution via Undetected idlelib.pyshell.ModifiedInterpreter.runcommand",
    "source": "VulnCheck",
    "references": "https://github.com/mmaitre314/picklescan/security/advisories/GHSA-j343-8v2j-ff7w\nhttps://www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-undetected-idlelib-pyshell-modifiedinterpreter-runcommand",
    "id": "CVE-2025-71357",
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    "sourceData": "picklescan picklescan 0",
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    "cvss": {
        "score": 7.6,
        "severity": "HIGH",
        "vector": "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",
        "version": "4.0"
    },
    "cvss2": [],
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        "baseScore": 0,
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        "attackVector": "",
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        "privilegesRequired": "",
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        "integrityImpact": "",
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        "cvssV3": {
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    "href": "",
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    "product": "picklescan",
    "version": "0",
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