GHSA-rrv7-3mqf-hxfr
Keycloak: Information Disclosure via evaluate-scopes Admin API
At a glance
- Published
- Updated
- CVE
- CVE-2026-37978
- Aliases
- BIT-keycloak-2026-37978
- CVSS_V3
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Description
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 (PII) leakage, enabling unauthorized visibility into user identities and authorizations across the realm. Exploitation is possible remotely via network access to the Admin API.
Affected packages
| Package | Versions |
|---|---|
| Maven · org.keycloak:keycloak-services | introduced 0, fixed 26.6.2 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-37978 ADVISORY
- https://github.com/keycloak/keycloak/commit/492d1f04cdad425dadb9d5e1faa94dd17a875573 WEB
- https://github.com/keycloak/keycloak/commit/ba9a18744dcec2ef46f284d25c1c0aa1c962a500 WEB
- https://access.redhat.com/errata/RHSA-2026:19596 WEB
- https://access.redhat.com/errata/RHSA-2026:19597 WEB
- https://access.redhat.com/security/cve/CVE-2026-37978 WEB
- https://bugzilla.redhat.com/show_bug.cgi?id=2455327 WEB
- https://github.com/keycloak/keycloak PACKAGE
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |