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

Source: https://junglewise.ai/threats/cve-2026-33139-pyspector-has-a-plugin-sandbox-bypass-leads-to-arbitrary-code  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-13  
License: CC BY 4.0 with a link back

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)](https://junglewise.ai/threats/technologies/pyspector). Vendors: [PyPI](https://junglewise.ai/threats/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

  ```sh
  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

## Related threats

- [PYSEC-2026-3029 - Stored XSS in PySpector HTML Report Generation leads to Javascript Code Execution](https://junglewise.ai/threats/cve-2026-33140-pyspector-stored-xss-in-html-report-generation)
- [PySpector has a Plugin Code Execution Bypass via Incomplete Static Analysis in PluginSecurity.validate_plugin_code](https://junglewise.ai/threats/cve-2026-41206-pyspector-has-a-plugin-code-execution-bypass-via-incomplete)