CVE-2026-37978 — Keycloak Vulnerability
CVE-2026-37978 — A flaw was found in Keycloak. A low-privilege administrator with the 'view-clients' role can exploit this by invoking the 'evaluate-scopes' Admin API endpoints with an arbitrary user ID (userId) parameter. This vulnerability allows for cross-role personally identifiable information
What This Means For You
- If your environment is affected by CWE-639, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-37978 updates and patches.
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-37978 | vulnerability | CVE-2026-37978 |
| CWE-639 | weakness | CWE-639 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 19, 2026 at 15:16 UTC |
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