CVE-2024-6844: PYSEC-2026-1385 - Flask-CORS allows for inconsistent CORS matching

CVE-2024-6844 · Severity: low · CVSS 3 · Published 2026-07-07

Flask-CORS allows for inconsistent CORS matching

Technologies: Flask-Cors (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2024-6844 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2024-6844 being exploited in the wild.
How severe is CVE-2024-6844?
Low severity, with a CVSS score of 3, published 7 July 2026.
Which products and versions are affected?
Flask-Cors (PyPI) ECOSYSTEM:introduced=0,fixed=6.0.0.
Is there a fix for CVE-2024-6844?
Yes. Flask-Cors (PyPI): upgrade to 6.0.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2024-6844?
Check whether you run Flask-Cors (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

  • Flask-Cors (PyPI): upgrade to 6.0.0 or later
    pip install "Flask-Cors>=6.0.0"

Affected products

  • Flask-Cors (PyPI) ECOSYSTEM:introduced=0,fixed=6.0.0

Identifiers

  • CVE-2024-6844
  • GHSA-8vgw-p6qm-5gr7
  • PYSEC-2026-1385

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