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CVE-2026-57915

Full vulnerability record from the local CVENow database.

Description

It is possible to bypass the Kerberos pre-authentication check in Apache Kerby by sending a PA-DATA with an unrecognized or unsupported type. Users are recommended to upgrade to version 2.1.2, which fixes this issue.

Severity
HIGH
CVSS score
7.3 (v3.1)
Vulnerability status
Deferred
Source identifier
Published
2026-06-26 13:16:35.740000
Last modified
2026-10-25 22:10:00.150000
View original CVE JSON
{
  "id": "CVE-2026-57915",
  "sourceIdentifier": "[email protected]",
  "published": "2026-06-26T13:16:35.740",
  "lastModified": "2026-10-25T22:10:00.150",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "It is possible to bypass the Kerberos pre-authentication check in Apache Kerby by sending a PA-DATA with an unrecognized or unsupported type. Users are recommended to upgrade to version 2.1.2, which fixes this issue."
    },
    {
      "lang": "es",
      "value": "Es posible eludir la verificación de preautenticación de Kerberos en Apache Kerby enviando un PA-DATA con un tipo no reconocido o no compatible. Se recomienda a los usuarios actualizar a la versión 2.1.2, que corrige este problema."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache Kerby",
          "defaultStatus": "unaffected",
          "collectionURL": "https://repo.maven.apache.org/maven2",
          "packageName": "org.apache.kerby:kerb-server",
          "versions": [
            {
              "version": "0",
              "lessThan": "2.1.2",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    },
    {
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
      "affectedData": [
        {
          "vendor": "Red Hat",
          "product": "Red Hat AMQ Clients",
          "defaultStatus": "affected",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "packageName": "kerb-server",
          "cpes": [
            "cpe:/a:redhat:amq_clients:2023"
          ]
        },
        {
          "vendor": "Red Hat",
          "product": "Red Hat Data Grid 8",
          "defaultStatus": "unaffected",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "packageName": "kerb-server",
          "cpes": [
            "cpe:/a:redhat:jboss_data_grid:8"
          ]
        },
        {
          "vendor": "Red Hat",
          "product": "Red Hat Data Grid 8",
          "defaultStatus": "unaffected",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "packageName": "kerb-server-api-all",
          "cpes": [
            "cpe:/a:redhat:jboss_data_grid:8"
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        {
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          "product": "Red Hat Fuse 7",
          "defaultStatus": "unaffected",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "packageName": "kerb-server",
          "cpes": [
            "cpe:/a:redhat:jboss_fuse:7"
          ]
        },
        {
          "vendor": "Red Hat",
          "product": "Red Hat JBoss Enterprise Application Platform Expansion Pack",
          "defaultStatus": "unaffected",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "packageName": "kerb-server",
          "cpes": [
            "cpe:/a:redhat:jbosseapxp"
          ]
        },
        {
          "vendor": "Red Hat",
          "product": "Red Hat JBoss Enterprise Application Platform Expansion Pack",
          "defaultStatus": "unaffected",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "packageName": "kerb-server-api-all",
          "cpes": [
            "cpe:/a:redhat:jbosseapxp"
          ]
        },
        {
          "vendor": "Red Hat",
          "product": "streams for Apache Kafka 2",
          "defaultStatus": "affected",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "packageName": "kerb-server",
          "cpes": [
            "cpe:/a:redhat:amq_streams:2"
          ]
        },
        {
          "vendor": "Red Hat",
          "product": "streams for Apache Kafka 3",
          "defaultStatus": "unaffected",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "packageName": "kerb-server",
          "cpes": [
            "cpe:/a:redhat:amq_streams:3"
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
          "baseScore": 7.3,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "LOW"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.4
      },
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        "cvssData": {
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          "baseScore": 7.3,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "LOW"
        },
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      }
    ],
    "ssvcV203": [
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        "ssvcData": {
          "timestamp": "2026-06-26T14:38:18.962338Z",
          "id": "CVE-2026-57915",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
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              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-304"
        }
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    {
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      "description": [
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          "value": "CWE-358"
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  ],
  "references": [
    {
      "url": "https://lists.apache.org/thread/1y3glgh3kzwoxo5m2lq504cjlh1dsrfh",
      "source": "[email protected]"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2026/06/26/8",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://access.redhat.com/security/cve/CVE-2026-57915",
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2493407",
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    },
    {
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-57915.json",
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  ]
}