{
  "document": {
    "aggregate_severity": {
      "namespace": "https://access.redhat.com/security/updates/classification/",
      "text": "Important"
    },
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright © Red Hat, Inc. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "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": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42027.json"
      }
    ],
    "title": "Apache OpenNLP: Apache OpenNLP: Arbitrary Class Loading via Model Manifest",
    "tracking": {
      "current_release_date": "2026-06-28T07:34:02+00:00",
      "generator": {
        "date": "2026-06-28T07:34:02+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "5.2.6"
        }
      },
      "id": "CVE-2026-42027",
      "initial_release_date": "2026-05-04T16:43:12.583000+00:00",
      "revision_history": [
        {
          "date": "2026-05-04T16:43:12.583000+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-05-06T04:26:28.202570+00:00",
          "number": "2",
          "summary": "Current version"
        },
        {
          "date": "2026-06-28T07:34:02+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 Apache Camel for Spring Boot 4",
                "product": {
                  "name": "Red Hat build of Apache Camel for Spring Boot 4",
                  "product_id": "red_hat_build_of_apache_camel_for_spring_boot_4",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:redhat:camel_spring_boot:4"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Red Hat build of Apache Camel for Spring Boot 4"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Red Hat Data Grid 8",
                "product": {
                  "name": "Red Hat Data Grid 8",
                  "product_id": "red_hat_data_grid_8",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:redhat:jboss_data_grid:8"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Red Hat Data Grid 8"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Red Hat Fuse 7",
                "product": {
                  "name": "Red Hat Fuse 7",
                  "product_id": "red_hat_fuse_7",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:redhat:jboss_fuse:7"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Red Hat Fuse 7"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Red Hat JBoss Enterprise Application Platform 8",
                "product": {
                  "name": "Red Hat JBoss Enterprise Application Platform 8",
                  "product_id": "red_hat_jboss_enterprise_application_platform_8",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:8"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Red Hat JBoss Enterprise Application Platform 8"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Red Hat JBoss Enterprise Application Platform Expansion Pack",
                "product": {
                  "name": "Red Hat JBoss Enterprise Application Platform Expansion Pack",
                  "product_id": "red_hat_jboss_enterprise_application_platform_expansion_pack",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:redhat:jbosseapxp"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Red Hat OpenShift AI (RHOAI)",
                "product": {
                  "name": "Red Hat OpenShift AI (RHOAI)",
                  "product_id": "red_hat_openshift_ai_(rhoai)",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:redhat:openshift_ai"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Red Hat OpenShift AI (RHOAI)"
          },
          {
            "category": "product_version",
            "name": "opennlp-tools",
            "product": {
              "name": "opennlp-tools",
              "product_id": "opennlp-tools",
              "product_identification_helper": {
                "purl": "pkg:maven/org.apache.opennlp/opennlp-tools"
              }
            }
          },
          {
            "category": "product_version",
            "name": "rhoai/odh-trustyai-service-rhel8",
            "product": {
              "name": "rhoai/odh-trustyai-service-rhel8",
              "product_id": "rhoai/odh-trustyai-service-rhel8",
              "product_identification_helper": {
                "purl": "pkg:oci/odh-trustyai-service-rhel8?repository_url=registry.redhat.io/rhoai/odh-trustyai-service-rhel8"
              }
            }
          },
          {
            "category": "product_version",
            "name": "rhoai/odh-trustyai-service-rhel9",
            "product": {
              "name": "rhoai/odh-trustyai-service-rhel9",
              "product_id": "rhoai/odh-trustyai-service-rhel9",
              "product_identification_helper": {
                "purl": "pkg:oci/odh-trustyai-service-rhel9?repository_url=registry.redhat.io/rhoai/odh-trustyai-service-rhel9"
              }
            }
          },
          {
            "category": "product_version",
            "name": "rhoai/odh-workbench-jupyter-trustyai-cpu-py312-rhel9",
            "product": {
              "name": "rhoai/odh-workbench-jupyter-trustyai-cpu-py312-rhel9",
              "product_id": "rhoai/odh-workbench-jupyter-trustyai-cpu-py312-rhel9",
              "product_identification_helper": {
                "purl": "pkg:oci/odh-workbench-jupyter-trustyai-cpu-py312-rhel9?repository_url=registry.redhat.io/rhoai/odh-workbench-jupyter-trustyai-cpu-py312-rhel9"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "opennlp-tools as a component of Red Hat build of Apache Camel for Spring Boot 4",
          "product_id": "red_hat_build_of_apache_camel_for_spring_boot_4:opennlp-tools"
        },
        "product_reference": "opennlp-tools",
        "relates_to_product_reference": "red_hat_build_of_apache_camel_for_spring_boot_4"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "opennlp-tools as a component of Red Hat Data Grid 8",
          "product_id": "red_hat_data_grid_8:opennlp-tools"
        },
        "product_reference": "opennlp-tools",
        "relates_to_product_reference": "red_hat_data_grid_8"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "opennlp-tools as a component of Red Hat Fuse 7",
          "product_id": "red_hat_fuse_7:opennlp-tools"
        },
        "product_reference": "opennlp-tools",
        "relates_to_product_reference": "red_hat_fuse_7"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "opennlp-tools as a component of Red Hat JBoss Enterprise Application Platform 8",
          "product_id": "red_hat_jboss_enterprise_application_platform_8:opennlp-tools"
        },
        "product_reference": "opennlp-tools",
        "relates_to_product_reference": "red_hat_jboss_enterprise_application_platform_8"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "opennlp-tools as a component of Red Hat JBoss Enterprise Application Platform Expansion Pack",
          "product_id": "red_hat_jboss_enterprise_application_platform_expansion_pack:opennlp-tools"
        },
        "product_reference": "opennlp-tools",
        "relates_to_product_reference": "red_hat_jboss_enterprise_application_platform_expansion_pack"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "rhoai/odh-trustyai-service-rhel8 as a component of Red Hat OpenShift AI (RHOAI)",
          "product_id": "red_hat_openshift_ai_(rhoai):rhoai/odh-trustyai-service-rhel8"
        },
        "product_reference": "rhoai/odh-trustyai-service-rhel8",
        "relates_to_product_reference": "red_hat_openshift_ai_(rhoai)"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "rhoai/odh-trustyai-service-rhel9 as a component of Red Hat OpenShift AI (RHOAI)",
          "product_id": "red_hat_openshift_ai_(rhoai):rhoai/odh-trustyai-service-rhel9"
        },
        "product_reference": "rhoai/odh-trustyai-service-rhel9",
        "relates_to_product_reference": "red_hat_openshift_ai_(rhoai)"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "rhoai/odh-workbench-jupyter-trustyai-cpu-py312-rhel9 as a component of Red Hat OpenShift AI (RHOAI)",
          "product_id": "red_hat_openshift_ai_(rhoai):rhoai/odh-workbench-jupyter-trustyai-cpu-py312-rhel9"
        },
        "product_reference": "rhoai/odh-workbench-jupyter-trustyai-cpu-py312-rhel9",
        "relates_to_product_reference": "red_hat_openshift_ai_(rhoai)"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-42027",
      "cwe": {
        "id": "CWE-502",
        "name": "Deserialization of Untrusted Data"
      },
      "discovery_date": "2026-05-04T19:03:28.394192+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_in_execute_path",
          "product_ids": [
            "red_hat_build_of_apache_camel_for_spring_boot_4:opennlp-tools"
          ]
        },
        {
          "label": "component_not_present",
          "product_ids": [
            "red_hat_data_grid_8:opennlp-tools"
          ]
        },
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
            "red_hat_jboss_enterprise_application_platform_8:opennlp-tools",
            "red_hat_jboss_enterprise_application_platform_expansion_pack:opennlp-tools",
            "red_hat_openshift_ai_(rhoai):rhoai/odh-trustyai-service-rhel8"
          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2466527"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Apache OpenNLP. An attacker, by providing a specially crafted model archive, can exploit a vulnerability in the ExtensionLoader component. This allows the attacker to force the system to load and initialize any class present on the classpath, executing its static initializer. While not direct remote code execution, this could lead to unintended actions such as network communication or file system operations, depending on the classes available in the environment.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Apache OpenNLP: Apache OpenNLP: Arbitrary Class Loading via Model Manifest",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "known_affected": [
          "red_hat_fuse_7:opennlp-tools",
          "red_hat_openshift_ai_(rhoai):rhoai/odh-trustyai-service-rhel9",
          "red_hat_openshift_ai_(rhoai):rhoai/odh-workbench-jupyter-trustyai-cpu-py312-rhel9"
        ],
        "known_not_affected": [
          "red_hat_build_of_apache_camel_for_spring_boot_4:opennlp-tools",
          "red_hat_data_grid_8:opennlp-tools",
          "red_hat_jboss_enterprise_application_platform_8:opennlp-tools",
          "red_hat_jboss_enterprise_application_platform_expansion_pack:opennlp-tools",
          "red_hat_openshift_ai_(rhoai):rhoai/odh-trustyai-service-rhel8"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-42027"
        },
        {
          "category": "external",
          "summary": "RHBZ#2466527",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2466527"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-42027",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-42027"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-42027",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42027"
        },
        {
          "category": "external",
          "summary": "http://www.openwall.com/lists/oss-security/2026/05/01/20",
          "url": "http://www.openwall.com/lists/oss-security/2026/05/01/20"
        },
        {
          "category": "external",
          "summary": "https://lists.apache.org/thread/ltlo4powjfc0w2w2yyl1o5tc7q1gcb2y",
          "url": "https://lists.apache.org/thread/ltlo4powjfc0w2w2yyl1o5tc7q1gcb2y"
        }
      ],
      "release_date": "2026-05-04T16:43:12.583000+00:00",
      "remediations": [
        {
          "category": "no_fix_planned",
          "details": "Will not fix",
          "product_ids": [
            "red_hat_fuse_7:opennlp-tools"
          ]
        },
        {
          "category": "none_available",
          "details": "Affected",
          "product_ids": [
            "red_hat_openshift_ai_(rhoai):rhoai/odh-trustyai-service-rhel9",
            "red_hat_openshift_ai_(rhoai):rhoai/odh-workbench-jupyter-trustyai-cpu-py312-rhel9"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "red_hat_build_of_apache_camel_for_spring_boot_4:opennlp-tools",
            "red_hat_data_grid_8:opennlp-tools",
            "red_hat_fuse_7:opennlp-tools",
            "red_hat_jboss_enterprise_application_platform_8:opennlp-tools",
            "red_hat_jboss_enterprise_application_platform_expansion_pack:opennlp-tools",
            "red_hat_openshift_ai_(rhoai):rhoai/odh-trustyai-service-rhel8",
            "red_hat_openshift_ai_(rhoai):rhoai/odh-trustyai-service-rhel9",
            "red_hat_openshift_ai_(rhoai):rhoai/odh-workbench-jupyter-trustyai-cpu-py312-rhel9"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important",
          "product_ids": [
            "red_hat_build_of_apache_camel_for_spring_boot_4:opennlp-tools",
            "red_hat_data_grid_8:opennlp-tools",
            "red_hat_fuse_7:opennlp-tools",
            "red_hat_jboss_enterprise_application_platform_8:opennlp-tools",
            "red_hat_jboss_enterprise_application_platform_expansion_pack:opennlp-tools",
            "red_hat_openshift_ai_(rhoai):rhoai/odh-trustyai-service-rhel8",
            "red_hat_openshift_ai_(rhoai):rhoai/odh-trustyai-service-rhel9",
            "red_hat_openshift_ai_(rhoai):rhoai/odh-workbench-jupyter-trustyai-cpu-py312-rhel9"
          ]
        }
      ],
      "title": "Apache OpenNLP: Apache OpenNLP: Arbitrary Class Loading via Model Manifest"
    }
  ]
}