Incorrect authorization in Apache Syncope - CVE-2026-77181
Published: September 15, 2026
Vulnerability identifier: #VU149989
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-77181
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to modify ClientApps without the required update entitlement.
The vulnerability exists due to improper authorization in ClientApp entitlement checks when performing ClientApp update operations. A remote privileged user can use the ClientApp create entitlement to invoke ClientApp update operations to modify ClientApps without the required update entitlement.
Affected software
Apache Syncope
How to mitigate CVE-2026-77181
Install security update from vendor's website.
Apache Syncope - addressed in versions 4.0.8, 4.1.3