CVE WatchJul 16, 2026

CVE-2026-44595

Yamcs is a mission control framework. Prior to 5.12.7, the IAM API endpoints listUsers, getUser, listGroups, and getGroup in yamcs-core did

CVSS

4.3

Medium

EPSS

—

KEV

—

Exploit Today

0-100

Published: Jul 16, 2026 · Last modified: Jul 16, 2026 · CWE-862

EPSS · 30d

Not enough EPSS history yet.

Technical description

Yamcs is a mission control framework. Prior to 5.12.7, the IAM API endpoints listUsers, getUser, listGroups, and getGroup in yamcs-core did not enforce the required SystemPrivilege.ControlAccess check in yamcs-core/src/main/java/org/yamcs/http/api/IamApi.java, so any authenticated user, even one with low or no privileges, could enumerate all user accounts in the system including their usernames, superuser status, and group memberships. This issue is fixed in versions 5.12.7 and 5.13.0.

Official references

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