CVE-2026-9088
Keycloak: Information disclosure due to user profile permission bypass
2.7
LOW
CVSS 3.1
EPSS 0.35%
Description
A flaw was found in org.keycloak.services. An administrator with delegated access to read group memberships and users can bypass user profile permissions by accessing the group members endpoint. This allows the administrator to view user attributes that are explicitly configured to be denied, leading to information disclosure.
How to fix CVE-2026-9088
To remediate CVE-2026-9088, upgrade the affected package to a fixed version below.
- —upgrade to 26.7.0 or later
Is CVE-2026-9088 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 26.7.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW2.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N |