---
id: GHSA-gq8p-2329-gh3x
title: >-
  Duplicate Advisory: Picklescan has a missing detection when calling built-in
  python idlelib.autocomplete.AutoComplete.fetch_completions
summary: >-
  Duplicate Advisory: Picklescan has a missing detection when calling built-in
  python idlelib.autocomplete.AutoComplete.fetch_completions
severity: high
cvss: 8.1
cwe:
  - CWE-502
vendor: picklescan
product: picklescan
ecosystem: pip
affected:
  - picklescan < 0.0.29
patched:
  - picklescan 0.0.29
published: '2026-06-23'
updated: '2026-09-23'
sourceUpdated: '2026-09-23T18:13:30Z'
source: GHSA
sourceUrl: 'https://github.com/advisories/GHSA-gq8p-2329-gh3x'
references:
  - url: >-
      https://github.com/mmaitre314/picklescan/security/advisories/GHSA-7cq8-mj8x-j263
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2025-71376'
  - url: >-
      https://www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-undetected-idlelib-autocomplete-autocomplete-fetch-completions
  - url: 'https://github.com/advisories/GHSA-gq8p-2329-gh3x'
tags:
  - ghsa
  - pip
ingestedAt: '2026-09-23T18:29:33.149Z'
---

## Overview

### Duplicate Advisory
This advisory has been withdrawn because it is a duplicate of GHSA-7cq8-mj8x-j263. This link is maintained to preserve external references.

### Original Description
picklescan before 0.0.29 fails to detect malicious pickle files using idlelib.autocomplete.AutoComplete.fetch_completions in reduce methods. Attackers can embed undetected code in pickle files that executes arbitrary commands when loaded by victims.

## Affected packages

- `picklescan < 0.0.29`

## Remediation

Upgrade to a patched release:

- `picklescan 0.0.29`