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  4. CVE 2026 37980 orgkeycloakformslogin keycloak keycloak arbitrary
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Back to active CVEs
Medium · CVSS 6.9CVE-2026-37980GHSA-M32F-8VH9-2HH3

Org.keycloak.forms.login: keycloak: keycloak: arbitrary code execution via stored cross-site scripting (xss) in organization selection login pageCVE-2026-37980

Answer in brief

CVE-2026-37980 records a Medium severity (CVSS 6.9) vulnerability in Org.keycloak.forms.login: keycloak: keycloak: arbitrary code execution via stored cross-site scripting (xss) in organization selection login page. The current sources do not mark it as known exploited. The current feed maps Red Hat/rhbk/keycloak-rhel9 (generic), org.keycloak:keycloak-services (maven), org.keycloak:keycloak-services (maven). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Apr 14, 2026Updated Oct 22, 2026Source checked Oct 22, 2026First seen by HOL Aug 7, 2026Material review Oct 22, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 6.9
Exploitation
Not marked as known exploited
Affected software
3 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 6.9. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Red Hat/rhbk/keycloak-rhel9 (generic), org.keycloak:keycloak-services (maven), org.keycloak:keycloak-services (maven). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Red Hat/rhbk/keycloak-rhel9generic*Not reported
org.keycloak:keycloak-servicesmaven>=0Not reported
org.keycloak:keycloak-servicesmaven<=26.5.5Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Red Hat/rhbk/keycloak-rhel9, org.keycloak:keycloak-services, org.keycloak:keycloak-services.
  2. 2Review the reported fix. Source-reported workaround: Restrict access to the Keycloak administration console and login pages to trusted networks only, ideally through a VPN or by configuring firewall rules. Furthermore, ensure that only highly trusted administrators are granted `manage-realm` or `manage-organizations` privileges within Keycloak. Regularly review and audit administrative accounts and their assigned roles to minimize the risk of unauthorized access and exploitation. If the Keycloak service is restarted or reloaded, these network and access restrictions will persist.

Evidence timeline and material changes

  1. Published upstream

    Apr 14, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 22, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 7, 2026

Sources and claim methodology

  • Source referenceaccess.redhat.com
  • Source referenceaccess.redhat.com
  • Source referencebugzilla.redhat.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • NVD vulnerability recordnvd.nist.gov
  • GitHub security advisorygithub.com
Upstream source description

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. This flaw occurs because the `organization.alias` is placed into an inline JavaScript `onclick` handler, allowing a crafted JavaScript payload to execute in a user's browser when they view the login page. Successful exploitation enables arbitrary JavaScript execution, potentially leading to session theft, unauthorized account actions, or further attacks against users of the affected realm.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Vikunja 2.2.0 before 2.7.1 HTML Injection via Notification Email HeaderAlso CWE-79

Record context

Vulnerability class
XSS
EPSS
Not reported
CWE IDs
CWE-79
Source
CVE List V5
Source checked
Oct 22, 2026
References
7 linked sources
Open source record