CVE-2026-73370

EUVD-2026-77469
Incorrect Authorization vulnerability in Apache Syncope.



Delegated administration security checks performed by Reconciliation service's pull and push, being incomplete, could accept calls by administrator not provided with adequate entitlements.





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: 43.57%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
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/prv0k3mvorzhngdw405sgb87ckw105gz
http://www.openwall.com/lists/oss-security/2026/09/14/8