rhsa-2025:19925
Vulnerability from csaf_redhat
Published
2025-11-07 12:03
Modified
2025-11-07 21:05
Summary
Red Hat Security Advisory: Red Hat build of Keycloak 26.0.17 Update

Notes

Topic
New Red Hat build of Keycloak 26.0.17 packages are available from the Customer Portal
Details
Red Hat build of Keycloak 26.0.17 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. Security fixes: * Keycloak error_description injection on error pages (CVE-2025-10044)
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


To clipboard 

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://access.redhat.com/security/updates/classification/",
      "text": "Moderate"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "New Red Hat build of Keycloak 26.0.17 packages are available from the Customer Portal",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "Red Hat build of Keycloak 26.0.17 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.\n\nSecurity fixes:\n* Keycloak error_description injection on error pages (CVE-2025-10044)",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://access.redhat.com/security/team/contact/",
      "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
      "name": "Red Hat Product Security",
      "namespace": "https://www.redhat.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "https://access.redhat.com/errata/RHSA-2025:19925",
        "url": "https://access.redhat.com/errata/RHSA-2025:19925"
      },
      {
        "category": "external",
        "summary": "https://access.redhat.com/security/updates/classification/#moderate",
        "url": "https://access.redhat.com/security/updates/classification/#moderate"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_19925.json"
      }
    ],
    "title": "Red Hat Security Advisory: Red Hat build of Keycloak 26.0.17 Update",
    "tracking": {
      "current_release_date": "2025-11-07T21:05:32+00:00",
      "generator": {
        "date": "2025-11-07T21:05:32+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "4.6.12"
        }
      },
      "id": "RHSA-2025:19925",
      "initial_release_date": "2025-11-07T12:03:36+00:00",
      "revision_history": [
        {
          "date": "2025-11-07T12:03:36+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2025-11-07T12:03:36+00:00",
          "number": "2",
          "summary": "Last updated version"
        },
        {
          "date": "2025-11-07T21:05:32+00:00",
          "number": "3",
          "summary": "Last generated version"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Red Hat build of Keycloak 26.0.17",
                "product": {
                  "name": "Red Hat build of Keycloak 26.0.17",
                  "product_id": "Red Hat build of Keycloak 26.0.17",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:redhat:build_keycloak:26.0"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Red Hat build of Keycloak"
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-10044",
      "cwe": {
        "id": "CWE-79",
        "name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
      },
      "discovery_date": "2025-09-05T18:16:13.568000+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2393551"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Keycloak. Keycloak\u2019s account console and other pages accept arbitrary text in the error_description query parameter. This text is directly rendered in error pages without validation or sanitization. While HTML encoding prevents XSS, an attacker can craft URLs with misleading messages (e.g., fake support phone numbers or URLs), which are displayed within the trusted Keycloak UI. This creates a phishing vector, potentially tricking users into contacting malicious actors.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "keycloak: Keycloak error_description injection on error pages",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "Red Hat build of Keycloak 26.0.17"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2025-10044"
        },
        {
          "category": "external",
          "summary": "RHBZ#2393551",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2393551"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2025-10044",
          "url": "https://www.cve.org/CVERecord?id=CVE-2025-10044"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-10044",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-10044"
        }
      ],
      "release_date": "2025-09-05T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-11-07T12:03:36+00:00",
          "details": "Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.",
          "product_ids": [
            "Red Hat build of Keycloak 26.0.17"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2025:19925"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
          "product_ids": [
            "Red Hat build of Keycloak 26.0.17"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "Red Hat build of Keycloak 26.0.17"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "keycloak: Keycloak error_description injection on error pages"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.