How severe is CVE-2018-14658?

CVE-2018-14658 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-14658 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-14658?

CVE-2018-14658 affects Redhat Keycloak. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-14658?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-14658 published?

CVE-2018-14658 was published on 2018-11-13 and last updated on 2026-06-17.

CVE-2018-14658

CVE-2018-14658 is a medium-severity vulnerability in Redhat Keycloak with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-601.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 5.8
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-601
Affected product: Redhat Keycloak
Published: 2018-11-13
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is 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
How severe is CVE-2018-14658?: CVE-2018-14658 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-14658 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-14658?: CVE-2018-14658 affects Redhat Keycloak. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-14658?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-14658 published?: CVE-2018-14658 was published on 2018-11-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:redhat:keycloak:3.2.1:*:*:*:*:*:*:*

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