# CVE-2026-77181

## Summary

- **CVE ID:** CVE-2026-77181
- **Severity:** CRITICAL
- **CVSS Score:** 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-863
- **Published:** Sep 14, 2026
- **Last Modified:** Sep 14, 2026

## Description

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.

## Affected Products

- Apache Software Foundation — Apache Syncope (3.0.0-M0)
- Apache Software Foundation — Apache Syncope (4.0.0-M0)
- Apache Software Foundation — Apache Syncope (4.1.0-M0)

## References

- [CNA](https://lists.apache.org/thread/swqj31jhbz7hmmkjy42461zp9rhh9lwy)
- [CVE](http://www.openwall.com/lists/oss-security/2026/09/14/16)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.48%
- **EPSS Percentile:** 40.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._