CVE-2026-3911
Fixed in a distro release EPSS <1%CVSS 2.7
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.
Products: Red Hat build of Keycloak 26.4, Red Hat build of Keycloak 26.4.11
Fixed upstream
| Ecosystem | Package | Fixed in |
|---|---|---|
| Maven | org.keycloak:keycloak-services | no fix |
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Chainguard | keycloak-26.3-iamguarded-compat | no fix |
| Chainguard | keycloak-26.4 | no fix |
| Chainguard | keycloak-26.4-iamguarded-compat | no fix |
| Chainguard | keycloak-26.5 | 26.5.6-r0 |
| Chainguard | keycloak-26.5-iamguarded-compat | 26.5.6-r0 |
| Chainguard | keycloak-fips-26.3-iamguarded-fips | no fix |
| Chainguard | keycloak-fips-26.4 | no fix |
| Chainguard | keycloak-fips-26.4-iamguarded-fips | no fix |
| Chainguard | keycloak-fips-26.5 | 26.5.6-r0 |
| Chainguard | keycloak-fips-26.5-iamguarded-fips | 26.5.6-r0 |
| Chainguard | request-9047-keycloak-fips-26.4 | no fix |
| Chainguard | request-9047-keycloak-fips-26.4-iamguarded-fips | no fix |
| Wolfi | keycloak-26.4 | no fix |
| Wolfi | keycloak-26.4-iamguarded-compat | no fix |
| Wolfi | keycloak-26.5 | 26.5.6-r0 |
| Wolfi | keycloak-26.5-iamguarded-compat | 26.5.6-r0 |