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openc3-api Vulnerable to Unauthenticated Remote Code Execution

🗓️ 13 Jan 2026 19:01:49Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 8 Views

OpenC3 COSMOS JSON-RPC allows unauthenticated remote code execution via String#convert_to_value eval path.

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14 Jan 2026 21:44Current
8.5High risk
Vulners AI Score8.5
CVSS 3.110
EPSS0.00536
SSVC
8