# CVE-2026-73236

## Summary

- **CVE ID:** CVE-2026-73236
- **Severity:** HIGH
- **CVSS Score:** 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
- **CWE:** CWE-863
- **Published:** Sep 14, 2026
- **Last Modified:** Sep 14, 2026

## Description

Incorrect Authorization vulnerability in Apache Syncope.



Delegated administration security checks are based on Realm hierarchy and enforced via prefix matches.
Due to incorrect implementation, two sibling Realms whose names begin with the same string cannot be correctly distinguished, resulting in incorrect authorization.





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/5m8t357n2xt38ym5l2rrgbjyztd97yjv)
- [CVE](http://www.openwall.com/lists/oss-security/2026/09/14/7)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.34%
- **EPSS Percentile:** 26.9

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