CVE-2025-28381: OPENC3 Cosmos

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

A credential leak in OpenC3 COSMOS before v6.0.2 allows attackers to access service credentials as environment variables stored in all containers.

Affected products

• OPENC3 Cosmos: version 6.0.0 only

Published 2025-06-13. Last modified 2026-06-17.