WID-SEC-W-2026-3418

Vulnerability from csaf_certbund - Published: 2026-09-16 22:00 - Updated: 2026-09-17 22:00
Summary
Keycloak: Mehrere Schwachstellen
Severity
Mittel
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung: Keycloak ermöglicht Single Sign-On mit Identity and Access Management für moderne Anwendungen und Dienste.
Angriff: Ein Angreifer kann mehrere Schwachstellen in Keycloak ausnutzen, um Sicherheitsvorkehrungen zu umgehen, um seine Privilegien zu erhöhen, um einen Denial of Service Angriff durchzuführen und um Informationen offenzulegen.
Betroffene Betriebssysteme: - Linux - UNIX
CVE-2026-17526
Affected products
Product Identifier Version Remediation
Open Source Keycloak <26.7.4
Open Source / Keycloak
 <26.7.4
CVE-2026-18212
Affected products
Known affected 1 product, the same list as for CVE-2026-17526
CVE-2026-19607
Affected products
Known affected 1 product, the same list as for CVE-2026-17526
CVE-2026-74909
Affected products
Known affected 1 product, the same list as for CVE-2026-17526
CVE-2026-79651
Affected products
Known affected 1 product, the same list as for CVE-2026-17526
CVE-2026-90997
Affected products
Known affected 1 product, the same list as for CVE-2026-17526
References
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "mittel"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Keycloak erm\u00f6glicht Single Sign-On mit Identity and Access Management f\u00fcr moderne Anwendungen und Dienste.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in Keycloak ausnutzen, um Sicherheitsvorkehrungen zu umgehen, um seine Privilegien zu erh\u00f6hen, um einen Denial of Service Angriff durchzuf\u00fchren und um Informationen offenzulegen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- UNIX",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2026-3418 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3418.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-3418 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3418"
      },
      {
        "category": "external",
        "summary": "Keycloak Release Notes vom 2026-09-16",
        "url": "https://www.keycloak.org/2026/09/keycloak-2674-released"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-xpwp-2pcm-8xq3 vom 2026-09-16",
        "url": "https://github.com/keycloak/keycloak/security/advisories/GHSA-xpwp-2pcm-8xq3"
      }
    ],
    "source_lang": "en-US",
    "title": "Keycloak: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-09-17T22:00:00.000+00:00",
      "generator": {
        "date": "2026-09-18T07:26:32.718+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-3418",
      "initial_release_date": "2026-09-16T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-09-16T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-09-17T22:00:00.000+00:00",
          "number": "2",
          "summary": "Referenz(en) aufgenommen: EUVD-2026-82396"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c26.7.4",
                "product": {
                  "name": "Open Source Keycloak \u003c26.7.4",
                  "product_id": "T059685"
                }
              },
              {
                "category": "product_version",
                "name": "26.7.4",
                "product": {
                  "name": "Open Source Keycloak 26.7.4",
                  "product_id": "T059685-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:keycloak:keycloak:26.7.4"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Keycloak"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-17526",
      "product_status": {
        "known_affected": [
          "T059685"
        ]
      },
      "release_date": "2026-09-16T22:00:00.000+00:00",
      "title": "CVE-2026-17526"
    },
    {
      "cve": "CVE-2026-18212",
      "product_status": {
        "known_affected": [
          "T059685"
        ]
      },
      "release_date": "2026-09-16T22:00:00.000+00:00",
      "title": "CVE-2026-18212"
    },
    {
      "cve": "CVE-2026-19607",
      "product_status": {
        "known_affected": [
          "T059685"
        ]
      },
      "release_date": "2026-09-16T22:00:00.000+00:00",
      "title": "CVE-2026-19607"
    },
    {
      "cve": "CVE-2026-74909",
      "product_status": {
        "known_affected": [
          "T059685"
        ]
      },
      "release_date": "2026-09-16T22:00:00.000+00:00",
      "title": "CVE-2026-74909"
    },
    {
      "cve": "CVE-2026-79651",
      "product_status": {
        "known_affected": [
          "T059685"
        ]
      },
      "release_date": "2026-09-16T22:00:00.000+00:00",
      "title": "CVE-2026-79651"
    },
    {
      "cve": "CVE-2026-90997",
      "product_status": {
        "known_affected": [
          "T059685"
        ]
      },
      "release_date": "2026-09-16T22:00:00.000+00:00",
      "title": "CVE-2026-90997"
    }
  ]
}



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