Vulnerability-Lookup

CVE-2026-2575 (GCVE-0-2026-2575)

Vulnerability from cvelistv5 – Published: 2026-03-18 03:19 – Updated: 2026-03-18 13:34

Title

Keycloak: keycloak: denial of service due to excessive samlrequest decompression

Summary

A flaw was found in Keycloak. An unauthenticated remote attacker can trigger an application level Denial of Service (DoS) by sending a highly compressed SAMLRequest through the SAML Redirect Binding. The server fails to enforce size limits during DEFLATE decompression, leading to an OutOfMemoryError (OOM) and subsequent process termination. This vulnerability allows an attacker to disrupt the availability of the service.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-18 13:34 UTC

CWE

CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)

Assigner

redhat redhat root

References

4 references

URL	Tags
https://access.redhat.com/errata/RHSA-2026:3947	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3948	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-2575	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2440149	issue-trackingx_refsource_REDHAT

Impacted products

3 products

Vendor	Product	Version
Red Hat	Red Hat build of Keycloak 26.4	Unaffected: 26.4.10-1 , < * (rpm) cpe:/a:redhat:build_keycloak:26.4::el9
Red Hat	Red Hat build of Keycloak 26.4	Unaffected: 26.4-12 , < * (rpm) cpe:/a:redhat:build_keycloak:26.4::el9
Red Hat	Red Hat build of Keycloak 26.4.10	cpe:/a:redhat:build_keycloak:26.4::el9

Date Public

2026-02-16 08:08

Credits

Red Hat would like to thank Sho Odagiri (GMO Cybersecurity by Ierae, Inc.) for reporting this issue.

Show details on NVD website

JSON

To clipboard

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bit-keycloak-2026-2575

Vulnerability from bitnami_vulndb

Published

2026-08-25 11:42

Modified

2026-09-08 08:34

Summary

Keycloak: keycloak: denial of service due to excessive samlrequest decompression

Details

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "keycloak",
        "purl": "pkg:bitnami/keycloak"
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          "events": [
            {
              "introduced": "26.4.0"
            },
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              "fixed": "26.4.10"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
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  ],
  "database_specific": {
    "cpes": [
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  },
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  "id": "BIT-keycloak-2026-2575",
  "modified": "2026-09-08T08:34:36.952Z",
  "published": "2026-08-25T11:42:11.943Z",
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    {
      "type": "ADVISORY",
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    },
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      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:3948"
    },
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    },
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    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2575"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "Keycloak: keycloak: denial of service due to excessive samlrequest decompression"
}

FKIE_CVE-2026-2575

Vulnerability from fkie_nvd - Published: 2026-03-18 04:17 - Updated: 2026-06-17 10:31

Severity

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Summary

References

URL	Tags
secalert@redhat.com	https://access.redhat.com/errata/RHSA-2026:3947	Vendor Advisory
secalert@redhat.com	https://access.redhat.com/errata/RHSA-2026:3948	Vendor Advisory
secalert@redhat.com	https://access.redhat.com/security/cve/CVE-2026-2575	Vendor Advisory
secalert@redhat.com	https://bugzilla.redhat.com/show_bug.cgi?id=2440149	Issue Tracking, Vendor Advisory

Impacted products

	Vendor	Product	Version
	redhat	build_of_keycloak	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:build_keycloak:26.4::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhbk/keycloak-operator-bundle",
          "product": "Red Hat build of Keycloak 26.4",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "26.4.10-1",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:build_keycloak:26.4::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhbk/keycloak-rhel9",
          "product": "Red Hat build of Keycloak 26.4",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "26.4-12",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:build_keycloak:26.4::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhbk/keycloak-rhel9-operator",
          "product": "Red Hat build of Keycloak 26.4",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "26.4-12",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:build_keycloak:26.4::el9"
          ],
          "defaultStatus": "unaffected",
          "packageName": "rhbk/keycloak-rhel9",
          "product": "Red Hat build of Keycloak 26.4.10",
          "vendor": "Red Hat"
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:redhat:build_of_keycloak:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "DFC39AF8-EEA9-4654-90AA-5456A0D48A6C",
              "versionEndExcluding": "26.4.10",
              "versionStartIncluding": "26.4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in Keycloak. An unauthenticated remote attacker can trigger an application level Denial of Service (DoS) by sending a highly compressed SAMLRequest through the SAML Redirect Binding. The server fails to enforce size limits during DEFLATE decompression, leading to an OutOfMemoryError (OOM) and subsequent process termination. This vulnerability allows an attacker to disrupt the availability of the service."
    },
    {
      "lang": "es",
      "value": "Se encontr\u00f3 una falla en Keycloak. Un atacante remoto no autenticado puede desencadenar una denegaci\u00f3n de servicio (DoS) a nivel de aplicaci\u00f3n al enviar una SAMLRequest altamente comprimida a trav\u00e9s del SAML Redirect Binding. El servidor no aplica l\u00edmites de tama\u00f1o durante la descompresi\u00f3n DEFLATE, lo que lleva a un OutOfMemoryError (OOM) y la subsiguiente terminaci\u00f3n del proceso. Esta vulnerabilidad permite a un atacante interrumpir la disponibilidad del servicio."
    }
  ],
  "id": "CVE-2026-2575",
  "lastModified": "2026-06-17T10:31:20.507",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "secalert@redhat.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
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        "ssvcData": {
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          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-03-18T13:34:34.411686Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-03-18T04:17:16.783",
  "references": [
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://access.redhat.com/errata/RHSA-2026:3947"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://access.redhat.com/errata/RHSA-2026:3948"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://access.redhat.com/security/cve/CVE-2026-2575"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2440149"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-409"
        }
      ],
      "source": "secalert@redhat.com",
      "type": "Secondary"
    }
  ]
}

GHSA-XV6H-R36F-3GP5

Vulnerability from github – Published: 2026-03-18 06:31 – Updated: 2026-03-18 20:19

Summary

Keycloak: Denial of Service due to excessive SAMLRequest decompression

Details

Severity

5.3 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.keycloak:keycloak-saml-adapter-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "26.5.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.keycloak:keycloak-saml-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "26.5.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.keycloak:keycloak-services"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "26.5.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-2575"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-409"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-18T20:19:33Z",
    "nvd_published_at": "2026-03-18T04:17:16Z",
    "severity": "MODERATE"
  },
  "details": "A flaw was found in Keycloak. An unauthenticated remote attacker can trigger an application level Denial of Service (DoS) by sending a highly compressed SAMLRequest through the SAML Redirect Binding. The server fails to enforce size limits during DEFLATE decompression, leading to an OutOfMemoryError (OOM) and subsequent process termination. This vulnerability allows an attacker to disrupt the availability of the service.",
  "id": "GHSA-xv6h-r36f-3gp5",
  "modified": "2026-03-18T20:19:33Z",
  "published": "2026-03-18T06:31:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2575"
    },
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/issues/46372"
    },
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/commit/4f90ef67f698dfb45df0d2f4981271a7c8b47f04"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:3947"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:3948"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2026-2575"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2440149"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/keycloak/keycloak"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Keycloak: Denial of Service due to excessive SAMLRequest decompression"
}

JVNDB-2026-026852

Vulnerability from jvndb - Published: 2026-08-05 01:11 - Updated:2026-08-05 01:11

Summary

Multiple Vulnerabilities in Hitachi Ops Center Common Services

Details

Multiple vulnerabilities exist in Hitachi Ops Center Common Services. CVE-2025-10939, CVE-2025-11537, CVE-2025-11538, CVE-2025-12110, CVE-2025-13467, CVE-2025-13881, CVE-2025-14082, CVE-2025-14083, CVE-2025-14777, CVE-2025-66560, CVE-2026-0707, CVE-2026-0871, CVE-2026-0976, CVE-2026-1035, CVE-2026-1190, CVE-2026-2092, CVE-2026-2575, CVE-2026-2673, CVE-2026-3009, CVE-2026-3121, CVE-2026-3429, CVE-2026-3872, CVE-2026-3911, CVE-2026-4282, CVE-2026-4325, CVE-2026-4634, CVE-2026-22745, CVE-2026-22748, CVE-2026-25854, CVE-2026-40972, CVE-2026-40975

References

Type

URL

	CVE	https://www.cve.org/CVERecord?id=CVE-2025-10939
	CVE	https://www.cve.org/CVERecord?id=CVE-2025-11537
	CVE	https://www.cve.org/CVERecord?id=CVE-2025-11538
	CVE	https://www.cve.org/CVERecord?id=CVE-2025-12110
	CVE	https://www.cve.org/CVERecord?id=CVE-2025-13467
	CVE	https://www.cve.org/CVERecord?id=CVE-2025-13881
	CVE	https://www.cve.org/CVERecord?id=CVE-2025-14082
	CVE	https://www.cve.org/CVERecord?id=CVE-2025-14083
	CVE	https://www.cve.org/CVERecord?id=CVE-2025-14777
	CVE	https://www.cve.org/CVERecord?id=CVE-2025-66560
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-0707
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-0871
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-0976
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-1035
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-1190
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-2092
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-22745
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-22748
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-2575
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-25854
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-2673
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-3009
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-3121
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-3429
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-3872
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-3911
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-40972
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-40975
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-4282
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-4325
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-4634

Impacted products

Vendor

Product

Hitachi, Ltd

Hitachi Ops Center Common Services

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-026852.html",
  "dc:date": "2026-08-05T10:11+09:00",
  "dcterms:issued": "2026-08-05T10:11+09:00",
  "dcterms:modified": "2026-08-05T10:11+09:00",
  "description": "Multiple vulnerabilities exist in Hitachi Ops Center Common Services.\r\n\r\nCVE-2025-10939, CVE-2025-11537, CVE-2025-11538, CVE-2025-12110, CVE-2025-13467, CVE-2025-13881, CVE-2025-14082, CVE-2025-14083, CVE-2025-14777, CVE-2025-66560, CVE-2026-0707, CVE-2026-0871, CVE-2026-0976, CVE-2026-1035, CVE-2026-1190, CVE-2026-2092, CVE-2026-2575, CVE-2026-2673, CVE-2026-3009, CVE-2026-3121, CVE-2026-3429, CVE-2026-3872, CVE-2026-3911, CVE-2026-4282, CVE-2026-4325, CVE-2026-4634, CVE-2026-22745, CVE-2026-22748, CVE-2026-25854, CVE-2026-40972, CVE-2026-40975",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-026852.html",
  "sec:cpe": {
    "#text": "cpe:/a:hitachi:ops_center_common_services",
    "@product": "Hitachi Ops Center Common Services",
    "@vendor": "Hitachi, Ltd",
    "@version": "2.2"
  },
  "sec:identifier": "JVNDB-2026-026852",
  "sec:references": [
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2025-10939",
      "@id": "CVE-2025-10939",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2025-11537",
      "@id": "CVE-2025-11537",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2025-11538",
      "@id": "CVE-2025-11538",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2025-12110",
      "@id": "CVE-2025-12110",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2025-13467",
      "@id": "CVE-2025-13467",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2025-13881",
      "@id": "CVE-2025-13881",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2025-14082",
      "@id": "CVE-2025-14082",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2025-14083",
      "@id": "CVE-2025-14083",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2025-14777",
      "@id": "CVE-2025-14777",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2025-66560",
      "@id": "CVE-2025-66560",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-0707",
      "@id": "CVE-2026-0707",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-0871",
      "@id": "CVE-2026-0871",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-0976",
      "@id": "CVE-2026-0976",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-1035",
      "@id": "CVE-2026-1035",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-1190",
      "@id": "CVE-2026-1190",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-2092",
      "@id": "CVE-2026-2092",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-22745",
      "@id": "CVE-2026-22745",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-22748",
      "@id": "CVE-2026-22748",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-2575",
      "@id": "CVE-2026-2575",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-25854",
      "@id": "CVE-2026-25854",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-2673",
      "@id": "CVE-2026-2673",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-3009",
      "@id": "CVE-2026-3009",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-3121",
      "@id": "CVE-2026-3121",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-3429",
      "@id": "CVE-2026-3429",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-3872",
      "@id": "CVE-2026-3872",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-3911",
      "@id": "CVE-2026-3911",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-40972",
      "@id": "CVE-2026-40972",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-40975",
      "@id": "CVE-2026-40975",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-4282",
      "@id": "CVE-2026-4282",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-4325",
      "@id": "CVE-2026-4325",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-4634",
      "@id": "CVE-2026-4634",
      "@source": "CVE"
    }
  ],
  "title": "Multiple Vulnerabilities in Hitachi Ops Center Common Services"
}

RHSA-2026:3947

Vulnerability from csaf_redhat - Published: 2026-03-05 19:07 - Updated: 2026-08-31 01:59

Summary

Red Hat Security Advisory: Red Hat build of Keycloak 26.4.10 Update

Severity

Important

Scope

8 vulnerabilities in this advisory, including CVE-2026-2575.

CVE-2026-2575

5.3 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Fixed: 1 product

https://access.redhat.com/errata/RHSA-2026:3947

Open the full advisory

RHSA-2026:3948

Vulnerability from csaf_redhat - Published: 2026-03-05 19:09 - Updated: 2026-08-31 01:59

Summary

Red Hat Security Advisory: Red Hat build of Keycloak 26.4.10 Images Update

Severity

Important

Scope

8 vulnerabilities in this advisory, including CVE-2026-2575.

CVE-2026-2575

5.3 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Fixed: 9 products

https://access.redhat.com/errata/RHSA-2026:3948

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WID-SEC-W-2026-0416

Vulnerability from csaf_certbund - Published: 2026-02-15 23:00 - Updated: 2026-03-17 23:00

Summary

Keycloak: Schwachstelle ermöglicht Denial of Service

Severity

Mittel

Scope

1 vulnerability in this advisory, including CVE-2026-2575.

CVE-2026-2575

Known affected: 2 products

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-2575 (GCVE-0-2026-2575)

bit-keycloak-2026-2575

Vulnerability from bitnami_vulndb

FKIE_CVE-2026-2575

GHSA-XV6H-R36F-3GP5

JVNDB-2026-026852

RHSA-2026:3947

RHSA-2026:3948

WID-SEC-W-2026-0416

Tags

Sightings

Nomenclature

Related by attack behaviour