CVE-2026-42087
OpenC3 COSMOS: SQL Injection in QuestDB Time-Series Data Base
CVSS Score
9.6
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-89 |
| Vendor | openc3 |
| Product | cosmos |
| Published | May 4, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
OpenC3 / cosmos
>= 6.7.0, < 7.0.0-rc3