CVE-2026-77181

Incorrect Authorization vulnerability in Apache Syncope. An administrator with ClientApp's update entitlement is unable to perform the related operation, while ClientApp's create entitlement is checked both for create and update operations on ClientApp. 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.

Score

CVSS 3.1 9.8 Critical

Status

Deferred - security@apache.org

Published

2026-09-14

Last modified

2026-09-14

Weaknesses

CWE-863

Affected products

• Apache Syncope (Apache Software Foundation)

References

• https://lists.apache.org/thread/swqj31jhbz7hmmkjy42461zp9rhh9lwy
• http://www.openwall.com/lists/oss-security/2026/09/14/16