PT-2026-51494 · Picklescan · Picklescan

Fredericdt · Published 2026-06-23 · Updated 2026-06-23 · CVE-2025-71376

NVD

CVSS v3.1

8.1

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

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.

Exploit

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2025-71376

Affected Products

Picklescan

References · 3

• 🔥 https://github.com/mmaitre314/picklescan/security/advisories/GHSA-7cq8-mj8x-j263 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-71376 · Security Note
• https://vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-undetected-idlelib-autocomplete-autocomplete-fetch-completions · Note