Intel

CVE-2026-18201

keycloak: Missing Authorization (CVE-2026-18201)

mediumEPSS 0.4%

Description

Keycloak provides a way to manage identity providers and organizations through its administrative API. A flaw was discovered where an administrator with permission to manage identity providers could link a new provider to an organization without having the required permissions to manage that organization. This could allow an unauthorized administrator to influence how users log into specific organizations.

Source: BSI WID PortalBSI CSAFOSV (Open Source Vulnerabilities)cvelistv5NVD (NIST)

Affected products

The following versions are affected. Older releases of the same product line are also vulnerable unless stated otherwise.

bitnamikeycloak

Metrics

XIEM Effective CVSS
5.5
Source: nvd-v3
EPSS percentile
30.3 %
Elevated — this CVE ranks above at least 10% of all CVEs scored today.
KEV status
—
Show all metrics
Severity
medium
Priority score
62.81
Exploit maturity
no public PoC known
CVSS v3
5.5
EPSS score
0.4 %
Low — model estimates < 1% exploitation likelihood.
Published
2026-08-31 14:37 UTC
CWE
CWE-862

Weakness classes (CWE)

  • CWE-862Class

    Missing Authorization

    The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

    cwe.mitre.org →

References & sources

Reanalysis & status changes

Chronological NVD audit events for this CVE — reanalyses, CVSS updates, CPE diffs.

  1. CVE Modified2026-09-16 19:17 UTC· secalert@redhat.com
    • Affected: Affected value modified. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/18xxx/CVE-2026-18201.json">CVE-2026-18201</a>
  2. CVE Modified2026-09-16 16:17 UTC· secalert@redhat.com
    • Affected: Affected value modified. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/18xxx/CVE-2026-18201.json">CVE-2026-18201</a>
    • Reference: https://access.redhat.com/errata/RHSA-2026:68277
    • Reference: https://access.redhat.com/errata/RHSA-2026:68278
    • Reference: https://access.redhat.com/security/cve/CVE-2026-18201
  3. CVE Modified2026-07-29 14:16 UTC· 134c704f-9b21-4f2e-91b3-4a467353bcc0
    • SSVC: {"id":"CVE-2026-18201","role":"CISA Coordinator","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalI…
  4. New CVE Received2026-07-29 10:16 UTC· secalert@redhat.com
    • Affected: Red Hat Build of Keycloak, Red Hat Build of Keycloak, Red Hat Build of Keycloak (+3)
    • Description: Keycloak provides a way to manage identity providers and organizations through its administrative API. A flaw was discovered where an administrator with permission to manage identity providers could link a new provider to an organization without having the required permissions to manage that organization. This could allow an unauthorized administrator to influence how users log into specific organizations.
    • CVSS V3.1: AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N
    • CWE: CWE-862