RHBA-2025:7525

Vulnerability from csaf_redhat - Published: 2025-05-13 19:38 - Updated: 2026-10-30 18:51
Summary
Red Hat Bug Fix Advisory: Red Hat build of Keycloak 26.2.4 Update
Severity
Moderate
Notes
Topic: New Red Hat build of Keycloak 26.2.4 packages are available from the Customer Portal
Details: Red Hat build of Keycloak 26.2.4 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.
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.
CVE-2024-12397

A flaw was found in Quarkus-HTTP, which incorrectly parses cookies with certain value-delimiting characters in incoming requests. This issue could allow an attacker to construct a cookie value to exfiltrate HttpOnly cookie values or spoof arbitrary additional cookie values, leading to unauthorized data access or modification. The main threat from this flaw impacts data confidentiality and integrity.

7.4 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Affected products
Product Identifier Version Remediation
Red Hat Build of Keycloak
Red Hat / Red Hat build of Keycloak
 cpe:/a:redhat:build_keycloak:26.2 —
Vendor Fix fix
Workaround
Threats
Impact Moderate
References
To clipboard 

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        "text": "New Red Hat build of Keycloak 26.2.4 packages are available from the Customer Portal",
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        "text": "Red Hat build of Keycloak 26.2.4 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.",
        "title": "Details"
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      "cwe": {
        "id": "CWE-444",
        "name": "Inconsistent Interpretation of HTTP Requests (\u0027HTTP Request/Response Smuggling\u0027)"
      },
      "discovery_date": "2024-12-10T01:15:33.380000+00:00",
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          "category": "description",
          "text": "A flaw was found in Quarkus-HTTP, which incorrectly parses cookies with\ncertain value-delimiting characters in incoming requests. This issue could\nallow an attacker to construct a cookie value to exfiltrate HttpOnly cookie\nvalues or spoof arbitrary additional cookie values, leading to unauthorized\ndata access or modification. The main threat from this flaw impacts data\nconfidentiality and integrity.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "io.quarkus.http/quarkus-http-core: Quarkus HTTP Cookie Smuggling",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Red Hat has evaluated this vulnerability. This is a very similar vulnerability to an Undertow, seen in CVE-2023-4639.",
          "title": "Statement"
        },
        {
          "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"
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        }
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      "remediations": [
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          "category": "vendor_fix",
          "date": "2025-05-13T19:38:41+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"
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        },
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          "category": "workaround",
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          "product_ids": [
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      "scores": [
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            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.4,
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            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
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      "threats": [
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          "details": "Moderate"
        }
      ],
      "title": "io.quarkus.http/quarkus-http-core: Quarkus HTTP Cookie Smuggling"
    }
  ]
}



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