Improper Authentication in Keycloak

HIGH 8.1CVE-2018-14637 · GHSA-gf2j-7qwg-4f5x · Published 30/11/2018 · updated 17/06/2026

In short

CVE-2018-14637 is a HIGH (CVSS 8.1) vulnerability affecting org.keycloak:keycloak-core, keycloak (redhat).
Chance of exploitation in the next 30 days (EPSS): 0.81%, higher than 57.0% of all vulnerabilities.
Fix: update to 4.6.0 or later.

Package	Affected versions	Patched versions
org.keycloak:keycloak-core Maven	`< 4.6.0`	`4.6.0`
keycloak redhat	`< 4.6.0`	`4.6.0`

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.

NVD 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.

References

nvd.nist.gov/vuln/detail/CVE-2018-14637 · ADVISORY
GitHub Advisory GHSA-gf2j-7qwg-4f5x · ADVISORY
bugzilla.redhat.com/show_bug.cgi · Issue Tracking

More vulnerabilities in org.keycloak:keycloak-core

See all →

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free

Package

Affected versions

Patched versions

org.keycloak:keycloak-core

Maven

< 4.6.0

4.6.0

keycloak

redhat

< 4.6.0

4.6.0

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.

NVD 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.

More vulnerabilities in org.keycloak:keycloak-core

See all →