openc3
HighRubyGemsCVE-2026-77601
What to do
Update openc3 to 7.3.0 or later.
gem install openc3 -v 7.3.0
A remote code execution flaw affects the RubyGems package openc3. Affected versions: >= 5.12.0, <= 7.2.1. Fixed from version 7.3.0. CVSS score 8.8.
What the flaw allows: An attacker can make the service run their own code.
- Package
- openc3
- Ecosystem
- RubyGems
- Class
- Remote code execution
- Affected versions
- >= 5.12.0, <= 7.2.1
- CVSS
- 8.8
- Published on
- September 23, 2026
Sources
Entry built automatically from the cited security advisory, with no model rewriting. Acknowledged by the organisation or vendor, notified to an authority, or established by two independent sources.