---
id: CVE-2025-71361
title: >-
  picklescan before 0.0.29 fails to detect malicious
  idlelib.calltip.Calltip.fetch_tip calls in pickle files, allowing remote code
  execution
summary: >-
  picklescan before 0.0.29 fails to detect malicious
  idlelib.calltip.Calltip.fetch_tip calls in pickle files, allowing remote code
  execution. Attackers can embed undetected payloads in pickle files that
  execute arbitrary code when loaded v…
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-95
vendor: picklescan
product: picklescan
affected:
  - picklescan < 0.0.29
patched:
  - picklescan 0.0.29
published: '2026-06-24'
updated: '2026-10-12'
sourceUpdated: '2026-10-12T21:10:00.227'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-71361'
references:
  - url: >-
      https://github.com/mmaitre314/picklescan/security/advisories/GHSA-8r4j-24qv-fmq9
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/picklescan-remote-code-execution-via-undetected-idlelib-calltip-calltip-fetch-tip
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/mmaitre314/picklescan/security/advisories/GHSA-8r4j-24qv-fmq9
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
  - url: >-
      https://github.com/mmaitre314/picklescan/commit/aecd11be98702caa9ba9b12189d91ad596a36114
  - url: 'https://github.com/mmaitre314/picklescan'
tags:
  - nvd
  - osv
  - pip
epss: 0.0043
epssPercentile: 0.37402
aliases:
  - GHSA-8r4j-24qv-fmq9
  - PYSEC-2026-1786
ecosystem: pip
ingestedAt: '2026-07-08T18:25:47.539Z'
---

## Overview

picklescan before 0.0.29 fails to detect malicious idlelib.calltip.Calltip.fetch_tip calls in pickle files, allowing remote code execution. Attackers can embed undetected payloads in pickle files that execute arbitrary code when loaded via pickle.load().

## Remediation

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

## Package advisory (CVE-2025-71361)

Affected packages:

- `picklescan < 0.0.29`

Patched in:

- `picklescan 0.0.29`

Source: https://osv.dev/vulnerability/GHSA-8r4j-24qv-fmq9