An issue was discovered in OpenTSDB 2.3.0. Many parameters to the /q URI can execute commands, including o, key, style, and yrange and y2range and their JSON input.
Severity
CVSS 3.0
9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
2.2% chance of exploitation in the next 30 days; higher than 82% of CVEs (scores of 2026-10-31)