What is CVE-2018-14658?

CVE-2018-14658 is a medium-severity vulnerability in Red Hat Keycloak, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2018-11-13.

How severe is CVE-2018-14658?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Open Redirect in Red Hat Keycloak

CVE-2018-14658

A flaw was found in JBOSS Keycloak 3.2.1.Final. The Redirect URL for both Login and Logout are not normalized in org.keycloak.protocol.oidc.utils.RedirectUtils before the redirect url is verified. This can lead to an Open Redirection attack

Vulnerability class: Open Redirect

Published 2018-11-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.011 (64.3th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Red Hat Keycloak — versions 3.2.1.Final
Red Hat Keycloak — versions 3.2.1

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

bugzilla.redhat.com/show_bug.cgi (Issue Tracking, Vendor Advisory)
access.redhat.com/errata/RHSA-2018:3592 (vendor-advisory, Vendor Advisory)
access.redhat.com/errata/RHSA-2018:3593 (vendor-advisory, Vendor Advisory)
access.redhat.com/errata/RHSA-2018:3595 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2018-14658?: CVE-2018-14658 is a medium-severity vulnerability in Red Hat Keycloak, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2018-11-13.
How severe is CVE-2018-14658?: Medium severity. CVSS v3 base score is 6.1 out of 10.