CVE-2025-28389: PYSEC-2025-150 - Weak password requirements in OpenC3 COSMOS v6.0.0 allow attackers to bypass authentication via a brute force attack.

CVE-2025-28389 · Severity: low · CVSS 3.1 · Published 2025-06-13

Weak password requirements in OpenC3 COSMOS v6.0.0 allow attackers to bypass authentication via a brute force attack.

Technologies: openc3 (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2025-28389 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-28389 being exploited in the wild.
How severe is CVE-2025-28389?
Low severity, with a CVSS score of 3.1, published 13 June 2025.
Which products and versions are affected?
openc3 (PyPI) ECOSYSTEM:introduced=0,last_affected=6.0.0.
Is there a fix for CVE-2025-28389?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-28389?
Check whether you run openc3 (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.

Affected products

  • openc3 (PyPI) ECOSYSTEM:introduced=0,last_affected=6.0.0

Identifiers

  • CVE-2025-28389
  • PYSEC-2025-150

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