Incorrect authorization in Apache Syncope - CVE-2026-73370
Published: September 15, 2026
Vulnerability identifier: #VU149982
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-73370
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to perform unauthorized reconciliation operations.
The vulnerability exists due to incorrect authorization in the Reconciliation service's pull and push operations when handling requests from delegated administrators. A remote user can invoke reconciliation operations without adequate entitlements to perform unauthorized reconciliation operations.
The incomplete security checks affect cross-realm boundaries.
Affected software
Apache Syncope
How to mitigate CVE-2026-73370
Install security update from vendor's website.
Apache Syncope - addressed in versions 4.0.8, 4.1.3