CVE-2026-17526
Keycloak-services: keycloak-services: privilege escalation via impersonation role allows takeover of realm administrator accounts
HIGH 7.2
At a glance
- Source
- NVD
- EPSS
- EPSS 0.63 % · percentile 50 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- redhat
- NVD status
- Awaiting Analysis
Description
Keycloak is an open-source identity and access management solution. A vulnerability was discovered where a user with the impersonation role can impersonate a realm administrator. This allows the attacker to gain full administrative control over the realm, including the ability to manage users, clients, and roles.
Weaknesses (CWE)
- CWE-862 — Missing Authorization
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | redhat |
| CVSS 3.1 | HIGH 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | NVD · secalert@redhat.com (Secondary) |
European references
- ENISA EUVD · EUVD-2026-80854
- GCVE · GCVE-0-2026-17526
Affected products
| Product | Versions |
|---|---|
| Red Hat · Red Hat build of Keycloak 26.4 | unaffected 26.4.16-2 < * |
| Red Hat · Red Hat build of Keycloak 26.4 | unaffected 26.4-26 < * |
| Red Hat · Red Hat build of Keycloak 26.4 | unaffected 26.4-26 < * |
| Red Hat · Red Hat build of Keycloak 26.4.16 | |
| Red Hat · Red Hat build of Keycloak 26.4.16 | |
| Red Hat · Red Hat build of Keycloak 26.6 | unaffected 26.6.7-3 < * |
| Red Hat · Red Hat build of Keycloak 26.6 | unaffected 26.6-20 < * |
| Red Hat · Red Hat build of Keycloak 26.6 | unaffected 26.6-20 < * |
| Red Hat · Red Hat build of Keycloak 26.6.7 | |
| Red Hat · Red Hat build of Keycloak 26.6.7 | |
| Red Hat · Red Hat build of Keycloak 26.6.7 | |
| Red Hat · Red Hat Data Grid 8 | |
| Red Hat · Red Hat JBoss Enterprise Application Platform Expansion Pack | |
| Red Hat · Red Hat Single Sign-On 7 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |