RCE in Openc3 Cosmos
CVE-2025-28386
A remote code execution (RCE) vulnerability in the Plugin Management component of OpenC3 COSMOS v6.0.0 allows attackers to execute arbitrary code via uploading a crafted .txt file.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.011 (63.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.011 · change: +0.001
Affected products
- Openc3 Cosmos — versions 6.0.0
Weakness classification (CWE)
References
- openc3.com/ (Product)
- visionspace.com/openc3-cosmos-a-security-assessment-of-an-open-source-mission-f… (Exploit, Third Party Advisory, Mitigation)
Frequently asked questions
- What is CVE-2025-28386?
- CVE-2025-28386 is a critical-severity vulnerability in Openc3 Cosmos, classified under Code Injection. CVSS score: 9.8/10. Published 2025-06-13.
- How severe is CVE-2025-28386?
- Critical severity. CVSS v3 base score is 9.8 out of 10.