CVE-2026-73470

EUVD-2026-77464
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
apacheCNA
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
apachesyncope
𝑥
≤ 3.0.16
CNA
apachesyncope
𝑥
≤ 4.0.7
CNA
apachesyncope
𝑥
≤ 4.1.2
CNA
Common Weakness Enumeration
References
https://lists.apache.org/thread/13hph8sgx3wo6m103x0oc0zydf5rkl8y
http://www.openwall.com/lists/oss-security/2026/09/14/9