WID-SEC-W-2026-0508

Vulnerability from csaf_certbund - Published: 2026-02-24 23:00 - Updated: 2026-03-26 23:00
Summary
Keycloak: Schwachstelle ermöglicht Offenlegung von Informationen
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 entfernter, authentisierter Angreifer kann eine Schwachstelle in Keycloak ausnutzen, um Informationen offenzulegen.
Betroffene Betriebssysteme: - Linux - UNIX
CVE-2026-3190
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 entfernter, authentisierter Angreifer kann eine Schwachstelle in Keycloak ausnutzen, 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-2026-0508 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0508.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-0508 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0508"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugtracker vom 2026-02-24",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2442572"
      },
      {
        "category": "external",
        "summary": "Red Hat Customer Portal vom 2026-02-24",
        "url": "https://access.redhat.com/security/cve/CVE-2026-3190"
      },
      {
        "category": "external",
        "summary": "Keycloak 26.5.6 release notes vom 2026-03-19",
        "url": "https://www.keycloak.org/2026/03/keycloak-2656-released"
      }
    ],
    "source_lang": "en-US",
    "title": "Keycloak: Schwachstelle erm\u00f6glicht Offenlegung von Informationen",
    "tracking": {
      "current_release_date": "2026-03-26T23:00:00.000+00:00",
      "generator": {
        "date": "2026-03-27T09:11:29.760+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.5.0"
        }
      },
      "id": "WID-SEC-W-2026-0508",
      "initial_release_date": "2026-02-24T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-02-24T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-03-18T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates aufgenommen"
        },
        {
          "date": "2026-03-26T23:00:00.000+00:00",
          "number": "3",
          "summary": "Referenz(en) aufgenommen: EUVD-2026-16309"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Open Source Keycloak",
                "product": {
                  "name": "Open Source Keycloak",
                  "product_id": "T051162",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:keycloak:keycloak:-"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c26.5.6",
                "product": {
                  "name": "Open Source Keycloak \u003c26.5.6",
                  "product_id": "T051888"
                }
              },
              {
                "category": "product_version",
                "name": "26.5.6",
                "product": {
                  "name": "Open Source Keycloak 26.5.6",
                  "product_id": "T051888-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:keycloak:keycloak:26.5.6"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Keycloak"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-3190",
      "product_status": {
        "known_affected": [
          "T051162",
          "T051888"
        ]
      },
      "release_date": "2026-02-24T23:00:00.000+00:00",
      "title": "CVE-2026-3190"
    }
  ]
}


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