CVE-2025-71363 HIGH

CVE-2025-71363: picklescan - Arbitrary Code Execution via Undetected cProfile.run in Pickle Deserialization

Vendor Picklescan
Product picklescan
Weakness CWE-502 · Unsafe deserialization
Published June 30, 2026
Last update July 1, 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 0.0.30 fails to detect cProfile.run function calls in pickle reduce methods, allowing attackers to execute arbitrary code. Remote attackers can craft malicious pickle files with cProfile.run payloads that bypass picklescan detection and achieve code execution upon deserialization.

Key dates

02Disclosure timeline

June 30, 2026 CVE published
July 1, 2026 Record updated