RHSA-2026:2364

Vulnerability from csaf_redhat - Published: 2026-02-09 20:42 - Updated: 2026-02-10 12:41
Summary
Red Hat Security Advisory: Red Hat build of Keycloak 26.2.13 Images Security Update

Notes

Topic
New images are available for Red Hat build of Keycloak 26.2.13 and Red Hat build of Keycloak 26.2.13 Operator, running on OpenShift Container Platform
Details
Red Hat build of Keycloak is an integrated sign-on solution, available as a Red Hat JBoss Middleware for OpenShift containerized image. The Red Hat build of Keycloak for OpenShift image provides an authentication server that you can use to log in centrally, log out, and register. You can also manage user accounts for web applications, mobile applications, and RESTful web services. Red Hat build of Keycloak Operator for OpenShift simplifies deployment and management of Keycloak 26.2.13 clusters. This erratum releases new images for Red Hat build of Keycloak 26.2.13 for use within the OpenShift Container Platform cloud computing Platform-as-a-Service (PaaS) for on-premise or private cloud deployments, aligning with the standalone product release. Security fixes: * Unauthorized organization registration via improper invitation token validation (CVE-2026-1529) * Incorrect ownership checks in /uma-policy/ (CVE-2025-14778)
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.
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        "text": "Red Hat build of Keycloak is an integrated sign-on solution, available as a Red Hat JBoss Middleware for OpenShift containerized image. The Red Hat build of Keycloak for OpenShift image provides an authentication server that you can use to log in centrally, log out, and register. You can also manage user accounts for web applications, mobile applications, and RESTful web services.\nRed Hat build of Keycloak Operator for OpenShift simplifies deployment and management of Keycloak 26.2.13 clusters.\n\nThis erratum releases new images for Red Hat build of Keycloak 26.2.13 for use within the OpenShift Container Platform cloud computing Platform-as-a-Service (PaaS) for on-premise or private cloud deployments, aligning with the standalone product release.\n\nSecurity fixes:\n* Unauthorized organization registration via improper invitation token validation (CVE-2026-1529)\n* Incorrect ownership checks in /uma-policy/ (CVE-2025-14778)",
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  "vulnerabilities": [
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      "cve": "CVE-2025-14778",
      "cwe": {
        "id": "CWE-266",
        "name": "Incorrect Privilege Assignment"
      },
      "discovery_date": "2025-12-16T05:01:06.107000+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2422600"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Keycloak. A significant Broken Access Control vulnerability exists in the UserManagedPermissionService (UMA Protection API). When updating or deleting a UMA policy associated with multiple resources, the authorization check only verifies the caller\u0027s ownership against the first resource in the policy\u0027s list. This allows a user (Owner A) who owns one resource (RA) to update a shared policy and modify authorization rules for other resources (e.g., RB) in that same policy, even if those other resources are owned by a different user (Owner B). This constitutes a horizontal privilege escalation.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "keycloak: Incorrect ownership checks in /uma-policy/",
          "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": [
          "9Base-RHBK-26.2:rhbk/keycloak-operator-bundle@sha256:e0e36e2c70b9cbb93e83c6dafc6ac90a686d1763ce2acbcedfc40903dce2d8bd_amd64",
          "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:73e3d55a8873db68806fc48982d609da878cd2bb4a0f4007c2ea82bc661d506b_ppc64le",
          "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:a91feb3ee99a198472641b70831acdf2592d967803ca5eab281c530f64c67235_arm64",
          "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:b017fe248a7101fefdf98900c015a99267c253c0c332daf9856e6eea0bbd66f3_s390x",
          "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:b3b19c7a73791cd1b4a8c0b3ce2f17883d75363bd7c2d460036992427d630e68_amd64",
          "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:19cbe1841b1ed82ca61c5fe824f405ecff817d515da2bc976c9170fa3a5c099c_s390x",
          "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:5a199091cc3d8d218bd1877cb7e34d4c9e33110c54fcb94becd022ec25e5722b_arm64",
          "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:6b725cae2bdb6e781a1b2a3794d39c9b81458f89bb2ee13abeed52df909492b7_ppc64le",
          "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:984e4a3f0d9b2e801b08fe245094f4a1871e13debf1b36fe7ca4701a3f47b570_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2025-14778"
        },
        {
          "category": "external",
          "summary": "RHBZ#2422600",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2422600"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2025-14778",
          "url": "https://www.cve.org/CVERecord?id=CVE-2025-14778"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-14778",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-14778"
        }
      ],
      "release_date": "2026-02-09T18:24:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-02-09T20:42:06+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": [
            "9Base-RHBK-26.2:rhbk/keycloak-operator-bundle@sha256:e0e36e2c70b9cbb93e83c6dafc6ac90a686d1763ce2acbcedfc40903dce2d8bd_amd64",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:73e3d55a8873db68806fc48982d609da878cd2bb4a0f4007c2ea82bc661d506b_ppc64le",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:a91feb3ee99a198472641b70831acdf2592d967803ca5eab281c530f64c67235_arm64",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:b017fe248a7101fefdf98900c015a99267c253c0c332daf9856e6eea0bbd66f3_s390x",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:b3b19c7a73791cd1b4a8c0b3ce2f17883d75363bd7c2d460036992427d630e68_amd64",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:19cbe1841b1ed82ca61c5fe824f405ecff817d515da2bc976c9170fa3a5c099c_s390x",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:5a199091cc3d8d218bd1877cb7e34d4c9e33110c54fcb94becd022ec25e5722b_arm64",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:6b725cae2bdb6e781a1b2a3794d39c9b81458f89bb2ee13abeed52df909492b7_ppc64le",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:984e4a3f0d9b2e801b08fe245094f4a1871e13debf1b36fe7ca4701a3f47b570_amd64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:2364"
        },
        {
          "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": [
            "9Base-RHBK-26.2:rhbk/keycloak-operator-bundle@sha256:e0e36e2c70b9cbb93e83c6dafc6ac90a686d1763ce2acbcedfc40903dce2d8bd_amd64",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:73e3d55a8873db68806fc48982d609da878cd2bb4a0f4007c2ea82bc661d506b_ppc64le",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:a91feb3ee99a198472641b70831acdf2592d967803ca5eab281c530f64c67235_arm64",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:b017fe248a7101fefdf98900c015a99267c253c0c332daf9856e6eea0bbd66f3_s390x",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:b3b19c7a73791cd1b4a8c0b3ce2f17883d75363bd7c2d460036992427d630e68_amd64",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:19cbe1841b1ed82ca61c5fe824f405ecff817d515da2bc976c9170fa3a5c099c_s390x",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:5a199091cc3d8d218bd1877cb7e34d4c9e33110c54fcb94becd022ec25e5722b_arm64",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:6b725cae2bdb6e781a1b2a3794d39c9b81458f89bb2ee13abeed52df909492b7_ppc64le",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:984e4a3f0d9b2e801b08fe245094f4a1871e13debf1b36fe7ca4701a3f47b570_amd64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "9Base-RHBK-26.2:rhbk/keycloak-operator-bundle@sha256:e0e36e2c70b9cbb93e83c6dafc6ac90a686d1763ce2acbcedfc40903dce2d8bd_amd64",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:73e3d55a8873db68806fc48982d609da878cd2bb4a0f4007c2ea82bc661d506b_ppc64le",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:a91feb3ee99a198472641b70831acdf2592d967803ca5eab281c530f64c67235_arm64",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:b017fe248a7101fefdf98900c015a99267c253c0c332daf9856e6eea0bbd66f3_s390x",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:b3b19c7a73791cd1b4a8c0b3ce2f17883d75363bd7c2d460036992427d630e68_amd64",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:19cbe1841b1ed82ca61c5fe824f405ecff817d515da2bc976c9170fa3a5c099c_s390x",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:5a199091cc3d8d218bd1877cb7e34d4c9e33110c54fcb94becd022ec25e5722b_arm64",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:6b725cae2bdb6e781a1b2a3794d39c9b81458f89bb2ee13abeed52df909492b7_ppc64le",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:984e4a3f0d9b2e801b08fe245094f4a1871e13debf1b36fe7ca4701a3f47b570_amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "keycloak: Incorrect ownership checks in /uma-policy/"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Reynaldo Immanuel"
          ]
        },
        {
          "names": [
            "Joy Gilbert"
          ],
          "organization": "gwthr"
        }
      ],
      "cve": "CVE-2026-1529",
      "cwe": {
        "id": "CWE-347",
        "name": "Improper Verification of Cryptographic Signature"
      },
      "discovery_date": "2026-01-28T12:29:47.086000+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2433783"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Keycloak. An attacker can exploit this vulnerability by modifying the organization ID and target email within a legitimate invitation token\u0027s JSON Web Token (JWT) payload. This lack of cryptographic signature verification allows the attacker to successfully self-register into an unauthorized organization, leading to unauthorized access.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "org.keycloak.services.resources.organizations: Keycloak: Unauthorized organization registration via improper invitation token validation",
          "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": [
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          "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:73e3d55a8873db68806fc48982d609da878cd2bb4a0f4007c2ea82bc661d506b_ppc64le",
          "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:a91feb3ee99a198472641b70831acdf2592d967803ca5eab281c530f64c67235_arm64",
          "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:b017fe248a7101fefdf98900c015a99267c253c0c332daf9856e6eea0bbd66f3_s390x",
          "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:b3b19c7a73791cd1b4a8c0b3ce2f17883d75363bd7c2d460036992427d630e68_amd64",
          "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:19cbe1841b1ed82ca61c5fe824f405ecff817d515da2bc976c9170fa3a5c099c_s390x",
          "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:5a199091cc3d8d218bd1877cb7e34d4c9e33110c54fcb94becd022ec25e5722b_arm64",
          "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:6b725cae2bdb6e781a1b2a3794d39c9b81458f89bb2ee13abeed52df909492b7_ppc64le",
          "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:984e4a3f0d9b2e801b08fe245094f4a1871e13debf1b36fe7ca4701a3f47b570_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-1529"
        },
        {
          "category": "external",
          "summary": "RHBZ#2433783",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2433783"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-1529",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-1529"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-1529",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-1529"
        }
      ],
      "release_date": "2026-02-09T18:21:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-02-09T20:42:06+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": [
            "9Base-RHBK-26.2:rhbk/keycloak-operator-bundle@sha256:e0e36e2c70b9cbb93e83c6dafc6ac90a686d1763ce2acbcedfc40903dce2d8bd_amd64",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:73e3d55a8873db68806fc48982d609da878cd2bb4a0f4007c2ea82bc661d506b_ppc64le",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:a91feb3ee99a198472641b70831acdf2592d967803ca5eab281c530f64c67235_arm64",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:b017fe248a7101fefdf98900c015a99267c253c0c332daf9856e6eea0bbd66f3_s390x",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:b3b19c7a73791cd1b4a8c0b3ce2f17883d75363bd7c2d460036992427d630e68_amd64",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:19cbe1841b1ed82ca61c5fe824f405ecff817d515da2bc976c9170fa3a5c099c_s390x",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:5a199091cc3d8d218bd1877cb7e34d4c9e33110c54fcb94becd022ec25e5722b_arm64",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:6b725cae2bdb6e781a1b2a3794d39c9b81458f89bb2ee13abeed52df909492b7_ppc64le",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:984e4a3f0d9b2e801b08fe245094f4a1871e13debf1b36fe7ca4701a3f47b570_amd64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:2364"
        },
        {
          "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": [
            "9Base-RHBK-26.2:rhbk/keycloak-operator-bundle@sha256:e0e36e2c70b9cbb93e83c6dafc6ac90a686d1763ce2acbcedfc40903dce2d8bd_amd64",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:73e3d55a8873db68806fc48982d609da878cd2bb4a0f4007c2ea82bc661d506b_ppc64le",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:a91feb3ee99a198472641b70831acdf2592d967803ca5eab281c530f64c67235_arm64",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:b017fe248a7101fefdf98900c015a99267c253c0c332daf9856e6eea0bbd66f3_s390x",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:b3b19c7a73791cd1b4a8c0b3ce2f17883d75363bd7c2d460036992427d630e68_amd64",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:19cbe1841b1ed82ca61c5fe824f405ecff817d515da2bc976c9170fa3a5c099c_s390x",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:5a199091cc3d8d218bd1877cb7e34d4c9e33110c54fcb94becd022ec25e5722b_arm64",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:6b725cae2bdb6e781a1b2a3794d39c9b81458f89bb2ee13abeed52df909492b7_ppc64le",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:984e4a3f0d9b2e801b08fe245094f4a1871e13debf1b36fe7ca4701a3f47b570_amd64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "9Base-RHBK-26.2:rhbk/keycloak-operator-bundle@sha256:e0e36e2c70b9cbb93e83c6dafc6ac90a686d1763ce2acbcedfc40903dce2d8bd_amd64",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:73e3d55a8873db68806fc48982d609da878cd2bb4a0f4007c2ea82bc661d506b_ppc64le",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:a91feb3ee99a198472641b70831acdf2592d967803ca5eab281c530f64c67235_arm64",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:b017fe248a7101fefdf98900c015a99267c253c0c332daf9856e6eea0bbd66f3_s390x",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9-operator@sha256:b3b19c7a73791cd1b4a8c0b3ce2f17883d75363bd7c2d460036992427d630e68_amd64",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:19cbe1841b1ed82ca61c5fe824f405ecff817d515da2bc976c9170fa3a5c099c_s390x",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:5a199091cc3d8d218bd1877cb7e34d4c9e33110c54fcb94becd022ec25e5722b_arm64",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:6b725cae2bdb6e781a1b2a3794d39c9b81458f89bb2ee13abeed52df909492b7_ppc64le",
            "9Base-RHBK-26.2:rhbk/keycloak-rhel9@sha256:984e4a3f0d9b2e801b08fe245094f4a1871e13debf1b36fe7ca4701a3f47b570_amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "org.keycloak.services.resources.organizations: Keycloak: Unauthorized organization registration via improper invitation token validation"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.