---
id: CVE-2025-71367
title: >-
  picklescan before 0.0.34 fails to detect _operator.attrgetter function calls
  in pickle payloads, allowing attackers to bypass security checks
summary: >-
  picklescan before 0.0.34 fails to detect _operator.attrgetter function calls
  in pickle payloads, allowing attackers to bypass security checks. Remote
  attackers can craft malicious pickle files using _operator.attrgetter in
  reduce methods…
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N'
cwe:
  - CWE-502
published: '2026-07-04'
updated: '2026-07-04'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-71367'
references:
  - url: >-
      https://github.com/mmaitre314/picklescan/security/advisories/GHSA-46h3-79wf-xr6c
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/picklescan-remote-code-execution-via-operator-attrgetter-detection-bypass
    label: disclosure@vulncheck.com
tags:
  - nvd
epss: 0.00638
epssPercentile: 0.48372
ingestedAt: '2026-07-04T21:57:46.850Z'
---

## Overview

picklescan before 0.0.34 fails to detect _operator.attrgetter function calls in pickle payloads, allowing attackers to bypass security checks. Remote attackers can craft malicious pickle files using _operator.attrgetter in reduce methods to execute arbitrary code when pickle.load() processes the file.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.