CVE-2026-62183

Improper Privilege Management vulnerability in Apache Syncope. When: * the all-Java user workflow adapter is configured, or * the Flowable user workflow adapter is configured, bearing a BPMN definition not requiring admin approval for user self registration of self update requests the following scenario could happen. A REST API call can allow the user to grant themselves one or more of defined Roles, thus gaining their Entitlements and becoming in fact an administrator; the actual Entitlements gained depend on the Roles that are effectively defined on the specific Syncope deployment. This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 Through 4.0.6, from 4.1.0-M0 through 4.1.1. Users are recommended to upgrade to version 4.0.7 / 4.1.2, which fix this issue.

Score

CVSS 3.1 9.8 Critical

Status

Analyzed - security@apache.org

Published

2026-07-20

Last modified

2026-10-24

Weaknesses

CWE-269

Affected products

• Syncope (Apache)
• Apache Syncope (Apache Software Foundation)

References

• https://lists.apache.org/thread/6r8cngvy43y2yk4jj3w060dt8vx0yzpr
• http://www.openwall.com/lists/oss-security/2026/07/20/9