Description
A flaw was found in Keycloak in versions before 9.0.2. This flaw allows a malicious user that is currently logged in, to see the personal information of a previously logged out user in the account manager section.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Red Hat | keycloak | All versions before 9.0.2 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Single Sign On 7 | rh-sso7-keycloak +1 | 4.8.20-1.Final_redhat_00001.1.el6sso | RHSA-2020:2108, RHSA-2020:2107, RHSA-2020:2106 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | org.keycloak:keycloak-core | < 9.0.2 | 9.0.2 | GHSA-8xj2-47xw-q78c |
Advisories 3
- RHSA-2020:2108 Red Hat Security Advisory: Red Hat Single Sign-On 7.3.8 security update on RHEL 8 Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2020:2106 Red Hat Security Advisory: Red Hat Single Sign-On 7.3.8 security update on RHEL 6 Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2020:2107 Red Hat Security Advisory: Red Hat Single Sign-On 7.3.8 security update on RHEL 7 Red Hat Security Advisories (RHSA) · Jun 29, 2026