CVE-2026-3911
Low
Description
A flaw was found in Keycloak. An authenticated user with the view-users role could exploit a vulnerability in the UserResource component. By accessing a specific administrative endpoint, this user could improperly retrieve user attributes that were configured to be hidden. This unauthorized information disclosure could expose sensitive user data.
SeverityLow
CVSS2.7
Exploit probability—
Product
Redhat Build Of Keycloak
PublishedMar 11, 2026
First seenMar 11, 2026
Weakness typeCWE-359CWE-359
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| redhat build_of_keycloak | No range specified, 26.4, 26.4.11 | — |
| org.keycloak:keycloak-servicesMaven | v ≤ 26.5.5 | — |
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