# CVE-2026-16106

## Summary

- **CVE ID:** CVE-2026-16106
- **Severity:** MEDIUM
- **CVSS Score:** 4.9 (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N)
- **CWE:** CWE-1220
- **Published:** Jul 17, 2026
- **Last Modified:** Aug 31, 2026

## Description

A flaw was found in the admin REST API of Keycloak, a solution for identity and access management. The issue occurs when a delegated administrator attempts to remove a child role from a composite role. Due to missing authorization checks, an attacker with limited administrative permissions can remove privileged roles they are not authorized to manage, leading to a loss of access for other users and administrators.

## Affected Products

No affected products listed.

## References

- [CNA](https://access.redhat.com/security/cve/CVE-2026-16106)
- [CNA](https://bugzilla.redhat.com/show_bug.cgi?id=2501739)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.33%
- **EPSS Percentile:** 25.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._