CVE-2026-42088
2 advisories.
RubyGems/openc3 CVE-2026-42088: critical 9.6, EPSS 0.49%
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 openc3Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 7.0.0-rc3 | - |
Fixed versions
| 7.0.0-rc3 |
Sources
- osv: GHSA-2wvh-87g2-89hr
- https://github.com/OpenC3/cosmos/security/advisories/GHSA-2wvh-87g2-89hr
- https://github.com/OpenC3/cosmos
CVE-2026-42088 · published · modified · JSON
PyPI/openc3 CVE-2026-42088: high 8.1, EPSS 0.49%
OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. Prior to version 7.0.0-rc3, the Script Runner widget allows users to execute Pyt
Action: Upgrade openc3 to 7.0.0 or later.
pip install openc3==7.0.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 7.0.0 | - |
Fixed versions
| 7.0.0 |
Sources
- osv: PYSEC-2026-2245
- https://github.com/OpenC3/cosmos/releases/tag/v7.0.0
- https://github.com/OpenC3/cosmos/releases/tag/v7.0.0-rc3
- https://github.com/OpenC3/cosmos/security/advisories/GHSA-2wvh-87g2-89hr
CVE-2026-42088 · published · modified · JSON