Critical severity9.6NVD Advisory· Published May 4, 2026· Updated May 8, 2026
CVE-2026-42087
CVE-2026-42087
Description
OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. From version 6.7.0 to before version 7.0.0-rc3, a SQL injection vulnerability exists in the Time-Series Database (TSDB) component of COSMOS. The tsdb_lookup function in the cvt_model.rb file directly places user-supplied input into a SQL query without sanitizing the input. As a result, a user can break out of the initial SQL statement and execute arbitrary SQL commands, including deleting data. This issue has been patched in version 7.0.0-rc3.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
openc3RubyGems | >= 6.7.0, < 7.0.0-rc3 | 7.0.0-rc3 |
Affected products
4Patches
Vulnerability mechanics
References
6- github.com/OpenC3/cosmos/commit/9ba60c09c8836a37a2e4ea67ab35fe403e041415nvdPatchWEB
- github.com/OpenC3/cosmos/security/advisories/GHSA-v529-vhwc-wfc5nvdVendor AdvisoryExploitWEB
- github.com/advisories/GHSA-v529-vhwc-wfc5ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-42087ghsaADVISORY
- github.com/OpenC3/cosmos/releases/tag/v7.0.0-rc3nvdRelease NotesWEB
- github.com/rubysec/ruby-advisory-db/blob/master/gems/openc3/CVE-2026-42087.ymlghsaWEB
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