CVE-2026-73470: Apache Software Foundation Apache Syncope

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Improper Privilege Management vulnerability in Apache Syncope. Delegations can be created or updated with Roles not owned by the delegating User, or not for the same Realm subtree under the delegation management was granted for. This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 Through 4.0.7, from 4.1.0-M0 through 4.1.2. Users are recommended to upgrade to version 4.0.8 / 4.1.3, which fix this issue.

Affected products

• Apache Software Foundation Apache Syncope: from 3.0.0-M0, up to and including 3.0.16; from 4.0.0-M0, up to and including 4.0.7; from 4.1.0-M0, up to and including 4.1.2

Published 2026-09-14. Last modified 2026-09-14.