What is CVE-2026-37980?

CVE-2026-37980 is a medium-severity vulnerability in Red Hat Build Of Keycloak, classified under Cross-site Scripting. CVSS score: 6.9/10. Published 2026-04-14.

How severe is CVE-2026-37980?

Medium severity. CVSS v3 base score is 6.9 out of 10.

XSS in Red Hat Build Of Keycloak

CVE-2026-37980

A flaw was found in Keycloak, specifically in the organization selection login page. A remote attacker with `manage-realm` or `manage-organizations` administrative privileges can exploit a Stored Cross-Site Scripting (XSS) vulnerability. T…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (15.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N.

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

secalert@redhat.com (x_refsource_REDHAT, Mitigation, vdb-entry, Vendor Advisory)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2026-37980?: CVE-2026-37980 is a medium-severity vulnerability in Red Hat Build Of Keycloak, classified under Cross-site Scripting. CVSS score: 6.9/10. Published 2026-04-14.
How severe is CVE-2026-37980?: Medium severity. CVSS v3 base score is 6.9 out of 10.