OpenC3

Wednesday, September 23

• GitHub CVE-2026-77602
  OpenC3 COSMOS: Authenticated remote code execution via the user-writable config overlay (table definitions, cmd/tlm definitions, and script suites)

  • OpenC3 cosmos
  • Critical
  • CVSS 9.9
  • EPSS 0.57%
  • Fixed version listed
  18:57 UTC