CVE-2025-71321

picklescan before 0.0.33 contains an arbitrary file writing vulnerability that allows attackers to bypass the dangerous blocklist by using distutils.file_util.write_file. Attackers can construct malicious pickle objects to overwrite critical system files and achieve denial of service or remote code execution.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-m273-6v24-x4m4
https://www.vulncheck.com/advisories/picklescan-arbitrary-file-writing-via-distutils-module-bypass
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-m273-6v24-x4m4

Configurations

No configuration.

History

30 Sep 2026, 16:10

Type	Values Removed	Values Added
Summary		(es) picklescan anterior a 0.0.33 contiene una vulnerabilidad de escritura arbitraria de archivos que permite a los atacantes eludir la lista de bloqueo peligrosa utilizando distutils.file_util.write_file. Los atacantes pueden construir objetos pickle maliciosos para sobrescribir archivos críticos del sistema y lograr denegación de servicio o ejecución remota de código.

Information

Published : 2026-06-17 17:16

Updated : 2026-10-12 22:10

NVD link : CVE-2025-71321

Mitre link : CVE-2025-71321

CVE.ORG link : CVE-2025-71321

JSON object : View

Products Affected

No product.

CWE

CWE-502

Deserialization of Untrusted Data

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