Description
The SAML broker consumer endpoint in Keycloak before version 4.6.0.Final ignores expiration conditions on SAML assertions. An attacker can exploit this vulnerability to perform a replay attack.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| [UNKNOWN] | keycloak | 4.6.0.Final | — |
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 | 3.4.14-1.Final_redhat_00001.1.jbcs.el6 | RHSA-2018:3593, RHSA-2018:3592 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | org.keycloak:keycloak-core | < 4.6.0 | 4.6.0 | GHSA-gf2j-7qwg-4f5x |
Advisories 2
- RHSA-2018:3592 Red Hat Security Advisory: Red Hat Single Sign-On 7.2.5 on RHEL 6 security and bug fix update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- RHSA-2018:3593 Red Hat Security Advisory: Red Hat Single Sign-On 7.2.5 on RHEL 7 security and bug fix update Red Hat Security Advisories (RHSA) · Aug 5, 2026