CVE-2026-44595 User enumeration in YAMCS

Severity: MEDIUM (CVSS 4.3)Affected: yamcs-core < 5.12.7Fixed in: yamcs-core 5.12.7Advisory: GHSA-p2rj-mrmc-9w29 YAMCS has an IAM system with privilege levels. One of them is SystemPrivilege.ControlAccess supposed to gate access to user management endpoints. The IAM API has endpoints for listing users,…


