CVE-2021-4180: PYSEC-2026-753 - Exposure of Sensitive Information to an Unauthorized Actor in OpenStack tripleo-heat-templates

CVE-2021-4180 · Severity: low · CVSS 3.1 · Published 2026-07-02

Exposure of Sensitive Information to an Unauthorized Actor in OpenStack tripleo-heat-templates

Technologies: tripleo-heat-templates (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2021-4180 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2021-4180 being exploited in the wild.
How severe is CVE-2021-4180?
Low severity, with a CVSS score of 3.1, published 2 July 2026.
Which products and versions are affected?
tripleo-heat-templates (PyPI) ECOSYSTEM:introduced=0,fixed=11.6.1.
Is there a fix for CVE-2021-4180?
Yes. tripleo-heat-templates (PyPI): upgrade to 11.6.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2021-4180?
Check whether you run tripleo-heat-templates (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

  • tripleo-heat-templates (PyPI): upgrade to 11.6.1 or later
    pip install "tripleo-heat-templates>=11.6.1"

Affected products

  • tripleo-heat-templates (PyPI) ECOSYSTEM:introduced=0,fixed=11.6.1

Identifiers

  • CVE-2021-4180
  • GHSA-hm3x-jwwf-jpr9
  • PYSEC-2026-753

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