CVE-2026-33139: PYSEC-2026-3030 - PySpector has a Plugin Sandbox Bypass leads to Arbitrary Code Execution

CVE-2026-33139 · Severity: medium · CVSS 4 · Published 2026-07-13

PySpector has a Plugin Sandbox Bypass leads to Arbitrary Code Execution

Technologies: pyspector (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2026-33139 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-33139 being exploited in the wild.
How severe is CVE-2026-33139?
Medium severity, with a CVSS score of 4, published 13 July 2026.
Which products and versions are affected?
pyspector (PyPI) ECOSYSTEM:introduced=0,fixed=0.1.7.
Is there a fix for CVE-2026-33139?
Yes. pyspector (PyPI): upgrade to 0.1.7 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-33139?
Check whether you run pyspector (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • pyspector (PyPI): upgrade to 0.1.7 or later
    pip install "pyspector>=0.1.7"

Affected products

  • pyspector (PyPI) ECOSYSTEM:introduced=0,fixed=0.1.7

Identifiers

  • CVE-2026-33139
  • GHSA-v3xv-8vc3-h2m6
  • PYSEC-2026-3030

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