tocsin

RubyGems/openc3 CVE-2026-42088: critical 9.6, EPSS 0.34%

OpenC3 COSMOS: Permissions Bypass Provides User Access to Unassigned Administrative Actions via Script Runner Tool

Action: Upgrade openc3 to 7.0.0-rc3 or later.

bundle update openc3

Affected

introducedfixedlast affected
07.0.0-rc3-

Fixed versions

7.0.0-rc3

Sources

CVE-2026-42088 · published · modified · JSON