CVE-2025-71373 HIGH

CVE-2025-71373: picklescan - Remote Code Execution via operator.methodcaller Detection Bypass

Vendor Picklescan
Product picklescan
Weakness CWE-693
Published July 4, 2026
Last update July 4, 2026

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 0.0.33 fails to detect operator.methodcaller function calls in pickle files, allowing attackers to bypass security checks. Remote attackers can craft malicious pickle payloads using operator.methodcaller that execute arbitrary code when loaded, compromising systems relying on picklescan for validation.

Key dates

02Disclosure timeline

July 4, 2026 CVE published