CVE-2025-67109: Eclipse Cyclone Data Distribution Service

Critical severity, CVSS 10.0. EPSS: 0.3% chance of exploitation in the next 30 days.

Improper verification of the time certificate in Eclipse Cyclone DDS before v0.10.5 allows attackers to bypass certificate checks and execute commands with System privileges.

Affected products

• Eclipse Cyclone Data Distribution Service: before 0.10.5 (fixed in 0.10.5)

Published 2025-12-23. Last modified 2026-07-05.