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GHSA-w757-4qv9-mghp

openc3-api Vulnerable to Unauthenticated Remote Code Execution

Source: GitHub Advisory Database (reviewed) Critical CVE-2025-68271

Packages

EcosystemPackageAffectedFixed in
RubyGems openc3 >= 5.0.6, < 6.10.2 6.10.2

Details

As written in the advisory (Markdown source, shown as plain text).

### Summary OpenC3 COSMOS contains a critical remote code execution vulnerability reachable through the JSON-RPC API. When a JSON-RPC request uses the string form of certain APIs, attacker-controlled parameter text is parsed into values using String#convert_to_value. For array-like inputs, convert_to_value executes eval(). Because the cmd code path parses the command string before calling authorize(), an unauthenticated attacker can trigger Ruby code execution even though the request ultimately fails authorization (401).

References

External links from the advisory. They lead to third-party sites.