Red HatCVE-2026-17526
Red Hat Data Grid 8: missing authorization
High7.2CVE-2026-17526 · Published Sep 16, 2026
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.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Red Hat Data Grid 8 Product | all versions | No fix yet |
| Red Hat build of Keycloak 26.4.16 Product | all versions | No fix yet |
| all versions | No fix yet | |
| Red Hat build of Keycloak 26.6.7 Product | all versions | No fix yet |
| all versions | No fix yet | |
| all versions | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-862
- www.cve.org/CVERecord?id=CVE-2026-17526
- nvd.nist.gov/vuln/detail/CVE-2026-17526
- access.redhat.com/errata/RHSA-2026:68276
- access.redhat.com/errata/RHSA-2026:68277
- access.redhat.com/errata/RHSA-2026:68278
- access.redhat.com/errata/RHSA-2026:68280
- access.redhat.com/security/cve/CVE-2026-17526
- bugzilla.redhat.com/show_bug.cgi?id=2507409
More Red Hat advisories
All Red Hat| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 16 | Red Hat Quay 3: attacker could inject arbitrary code | High8.0 | No fix yet |
| Sep 16 | Red Hat sequoia-openpgp. The: improper signature check | High7.4 | No fix yet |
| Sep 16 | Red Hat flightctl: race condition | Medium6.6 | No fix yet |
| Sep 16 | Red Hat first-broker-login flow: improper authentication | Medium5.3 | No fix yet |
| Sep 16 | Red Hat build of Keycloak: resource exhaustion | High7.5 | No fix yet |
| Sep 16 | Red Hat Single Sign-On 7: path traversal | High8.1 | No fix yet |