---
id: GHSA-rmpp-8wf5-xx5q
title: 'Duplicate Advisory: Picklescan vulnerable to Arbitrary File Writing'
summary: 'Duplicate Advisory: Picklescan vulnerable to Arbitrary File Writing'
severity: critical
cvss: 9.8
cwe:
  - CWE-502
vendor: picklescan
product: picklescan
ecosystem: pip
affected:
  - picklescan < 0.0.33
patched:
  - picklescan 0.0.33
published: '2026-06-17'
updated: '2026-06-18'
source: GHSA
sourceUrl: 'https://github.com/advisories/GHSA-rmpp-8wf5-xx5q'
references:
  - url: >-
      https://github.com/mmaitre314/picklescan/security/advisories/GHSA-m273-6v24-x4m4
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2025-71321'
  - url: >-
      https://www.vulncheck.com/advisories/picklescan-arbitrary-file-writing-via-distutils-module-bypass
  - url: 'https://github.com/advisories/GHSA-rmpp-8wf5-xx5q'
tags:
  - ghsa
  - pip
ingestedAt: '2026-06-29T14:31:47.206Z'
---

## Overview

### Duplicate Advisory
This advisory has been withdrawn because it is a duplicate of GHSA-m273-6v24-x4m4. This link is maintained to preserve external references.

### Original Description
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.

## Affected packages

- `picklescan < 0.0.33`

## Remediation

Upgrade to a patched release:

- `picklescan 0.0.33`