Improper privilege management in Apache Syncope - CVE-2026-62183
Published: August 24, 2026
Vulnerability identifier: #VU144737
CSH Severity: Medium
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-62183
CWE-ID: CWE-269
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to escalate privileges.
The vulnerability exists due to improper privilege management in the user self-service REST API when processing self-registration or self-update requests under affected workflow adapter configurations. A remote user can send a crafted REST API call to escalate privileges.
Exploitation is possible when the all-Java user workflow adapter is configured, or when the Flowable user workflow adapter is used with a BPMN definition that does not require admin approval for user self-registration or self-update requests.
Affected software
Apache Syncope
How to mitigate CVE-2026-62183
Install security update from vendor's website.
Apache Syncope - addressed in versions 4.0.7, 4.1.2