Description
A flaw was found in keycloack before version 8.0.0. The owner of 'placeholder.org' domain can setup mail server on this domain and knowing only name of a client can reset password and then log in. For example, for client name 'test' the email address will be 'service-account-test@placeholder.org'.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Red Hat | keycloak | before 8.0.0 | — |
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 | 4.8.15-1.Final_redhat_00001.1.el6sso | RHSA-2019:4042, RHSA-2019:4041, RHSA-2019:4040 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | org.keycloak:keycloak-core | < 8.0.0 | 8.0.0 | GHSA-cf8f-w2c5-p5jr |
Advisories 3
- RHSA-2019:4041 Red Hat Security Advisory: Red Hat Single Sign-On 7.3.5 security update on RHEL 7 Red Hat Security Advisories (RHSA) · Oct 13, 2026
- RHSA-2019:4042 Red Hat Security Advisory: Red Hat Single Sign-On 7.3.5 security update on RHEL 8 Red Hat Security Advisories (RHSA) · Oct 13, 2026
- RHSA-2019:4040 Red Hat Security Advisory: Red Hat Single Sign-On 7.3.5 security update on RHEL 6 Red Hat Security Advisories (RHSA) · Oct 13, 2026