CVE-2025-71375 HIGH

CVE-2025-71375: picklescan - Undetected Remote Code Execution via _operator.methodcaller

Vendor Picklescan

Product picklescan

Weakness CWE-502 · Unsafe deserialization

Published July 4, 2026

Last update July 4, 2026

View on NVD All CVEs

CVSS base score

7.6/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction —

Confidentiality —

Integrity —

CVSS 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

What the vulnerability does

01Description

picklescan before 0.0.34 fails to detect the _operator.methodcaller built-in function when scanning pickle files for malicious code. Attackers can craft malicious pickle payloads using _operator.methodcaller that evade detection and execute arbitrary code when loaded by pickle.load().

Key dates

02Disclosure timeline

July 4, 2026 CVE published

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2025-71375 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/502.html

Related vulnerabilities

04Related CVE

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