{
    "document": {
        "category": "csaf_base",
        "csaf_version": "2.0",
        "distribution": {
            "tlp": {
                "label": "WHITE"
            }
        },
        "lang": "en",
        "notes": [
            {
                "category": "legal_disclaimer",
                "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings."
            }
        ],
        "publisher": {
            "category": "coordinator",
            "contact_details": "cert@ncsc.nl",
            "name": "National Cyber Security Centre",
            "namespace": "https://www.ncsc.nl/"
        },
        "title": "CVE-2026-23552",
        "tracking": {
            "current_release_date": "2026-03-25T18:48:06.905778Z",
            "generator": {
                "date": "2026-02-17T15:00:00Z",
                "engine": {
                    "name": "V.E.L.M.A",
                    "version": "1.7"
                }
            },
            "id": "CVE-2026-23552",
            "initial_release_date": "2026-02-18T12:05:43.139729Z",
            "revision_history": [
                {
                    "date": "2026-02-18T12:05:43.139729Z",
                    "number": "1",
                    "summary": "CVE created.| Source created.| CVE status created. (valid)| Products created (3).| References created (4)."
                },
                {
                    "date": "2026-02-18T12:05:55.431175Z",
                    "number": "2",
                    "summary": "NCSC Score created."
                },
                {
                    "date": "2026-02-18T15:38:49.653041Z",
                    "number": "3",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-02-23T09:29:03.362597Z",
                    "number": "4",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| References created (2).| CWES updated (1)."
                },
                {
                    "date": "2026-02-23T09:29:10.878914Z",
                    "number": "5",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-02-23T09:39:02.203196Z",
                    "number": "6",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| Products created (1).| Exploits created (1).| References created (2).| CWES updated (1)."
                },
                {
                    "date": "2026-02-23T09:39:03.696019Z",
                    "number": "7",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-02-23T10:25:01.051498Z",
                    "number": "8",
                    "summary": "References created (1)."
                },
                {
                    "date": "2026-02-23T14:14:13.181944Z",
                    "number": "9",
                    "summary": "Source created.| CVE status created. (valid)| EPSS created."
                },
                {
                    "date": "2026-02-23T14:14:24.487262Z",
                    "number": "10",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-02-23T16:53:18.320274Z",
                    "number": "11",
                    "summary": "CVSS created.| Unknown change."
                },
                {
                    "date": "2026-02-23T16:53:20.433325Z",
                    "number": "12",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-02-23T17:27:02.309812Z",
                    "number": "13",
                    "summary": "CVSS created."
                },
                {
                    "date": "2026-02-23T17:27:06.688198Z",
                    "number": "14",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-02-25T18:39:56.658351Z",
                    "number": "15",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (7).| CWES updated (1)."
                },
                {
                    "date": "2026-02-25T18:39:58.304246Z",
                    "number": "16",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-02-26T00:31:38.020559Z",
                    "number": "17",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (4).| Product Identifiers created (3).| References created (6).| CWES updated (1)."
                },
                {
                    "date": "2026-02-26T18:25:59.096399Z",
                    "number": "18",
                    "summary": "Products created (1).| Product Identifiers created (1).| Exploits created (1)."
                },
                {
                    "date": "2026-02-26T18:26:01.431995Z",
                    "number": "19",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-02-28T20:19:03.130028Z",
                    "number": "20",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (3)."
                },
                {
                    "date": "2026-02-28T20:19:06.558889Z",
                    "number": "21",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-20T09:55:06.398675Z",
                    "number": "22",
                    "summary": "Source connected.| CVE status created. (valid)| EPSS created."
                },
                {
                    "date": "2026-03-20T09:55:09.653644Z",
                    "number": "23",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-25T18:47:48.546028Z",
                    "number": "24",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| References created (7).| CWES updated (1)."
                },
                {
                    "date": "2026-03-25T18:47:57.934231Z",
                    "number": "25",
                    "summary": "NCSC Score updated."
                }
            ],
            "status": "interim",
            "version": "25"
        }
    },
    "product_tree": {
        "branches": [
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:semver/4.15.0|<4.18.0",
                                "product": {
                                    "name": "vers:semver/4.15.0|<4.18.0",
                                    "product_id": "CSAFPID-5670712"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Apache Camel"
                    }
                ],
                "category": "vendor",
                "name": "Apache Software Foundation"
            },
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/<4.10.9",
                                "product": {
                                    "name": "vers:unknown/<4.10.9",
                                    "product_id": "CSAFPID-5628255"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/<4.14.5",
                                "product": {
                                    "name": "vers:unknown/<4.14.5",
                                    "product_id": "CSAFPID-5628256"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/<4.18.0",
                                "product": {
                                    "name": "vers:unknown/<4.18.0",
                                    "product_id": "CSAFPID-5628257"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/>=4.15.0|<4.18.0",
                                "product": {
                                    "name": "vers:unknown/>=4.15.0|<4.18.0",
                                    "product_id": "CSAFPID-5731482",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:a:apache:camel:*:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Camel"
                    }
                ],
                "category": "vendor",
                "name": "Apache"
            },
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/4.15.0",
                                "product": {
                                    "name": "vers:unknown/4.15.0",
                                    "product_id": "CSAFPID-5721570",
                                    "product_identification_helper": {
                                        "purl": "pkg:maven/org.apache.camel/camel-keycloak@4.15.0"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/4.16.0",
                                "product": {
                                    "name": "vers:unknown/4.16.0",
                                    "product_id": "CSAFPID-5721571",
                                    "product_identification_helper": {
                                        "purl": "pkg:maven/org.apache.camel/camel-keycloak@4.16.0"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/4.17.0",
                                "product": {
                                    "name": "vers:unknown/4.17.0",
                                    "product_id": "CSAFPID-5721573",
                                    "product_identification_helper": {
                                        "purl": "pkg:maven/org.apache.camel/camel-keycloak@4.17.0"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/>=4.15.0|<4.18.0",
                                "product": {
                                    "name": "vers:unknown/>=4.15.0|<4.18.0",
                                    "product_id": "CSAFPID-5721574"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "camel-keycloak"
                    }
                ],
                "category": "vendor",
                "name": "apache"
            },
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/4.18.0",
                                "product": {
                                    "name": "vers:unknown/4.18.0",
                                    "product_id": "CSAFPID-5908734"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "maven/org.apache.camel/camel-keycloak"
                    }
                ],
                "category": "vendor",
                "name": "org.apache.camel"
            }
        ]
    },
    "vulnerabilities": [
        {
            "cve": "CVE-2026-23552",
            "cwe": {
                "id": "CWE-346",
                "name": "Origin Validation Error"
            },
            "notes": [
                {
                    "category": "description",
                    "text": "Cross-Realm Token Acceptance Bypass in KeycloakSecurityPolicy Apache Camel Keycloak component. \n\nThe Camel-Keycloak KeycloakSecurityPolicy does not validate the iss (issuer) claim of JWT tokens against the configured realm. A token issued by one Keycloak realm is silently accepted by a policy configured for a completely different realm, breaking tenant isolation.\nThis issue affects Apache Camel: from 4.15.0 before 4.18.0.\n\nUsers are recommended to upgrade to version 4.18.0, which fixes the issue.",
                    "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-23552"
                },
                {
                    "category": "description",
                    "text": "Cross-Realm Token Acceptance Bypass in KeycloakSecurityPolicy Apache Camel Keycloak component. \n\nThe Camel-Keycloak KeycloakSecurityPolicy does not validate the iss (issuer) claim of JWT tokens against the configured realm. A token issued by one Keycloak realm is silently accepted by a policy configured for a completely different realm, breaking tenant isolation.\nThis issue affects Apache Camel: from 4.15.0 before 4.18.0.\n\nUsers are recommended to upgrade to version 4.18.0, which fixes the issue.",
                    "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-23552"
                },
                {
                    "category": "description",
                    "text": "Cross-Realm Token Acceptance Bypass in KeycloakSecurityPolicy Apache Camel Keycloak component. \n\nThe Camel-Keycloak KeycloakSecurityPolicy does not validate the iss (issuer) claim of JWT tokens against the configured realm. A token issued by one Keycloak realm is silently accepted by a policy configured for a completely different realm, breaking tenant isolation.\nThis issue affects Apache Camel: from 4.15.0 before 4.18.0.\n\nUsers are recommended to upgrade to version 4.18.0, which fixes the issue.",
                    "title": "github - https://github.com/advisories/GHSA-c3f3-cc42-xr9v"
                },
                {
                    "category": "description",
                    "text": "Cross-Realm Token Acceptance Bypass in KeycloakSecurityPolicy Apache Camel Keycloak component. \n\nThe Camel-Keycloak KeycloakSecurityPolicy does not validate the iss (issuer) claim of JWT tokens against the configured realm. A token issued by one Keycloak realm is silently accepted by a policy configured for a completely different realm, breaking tenant isolation.\nThis issue affects Apache Camel: from 4.15.0 before 4.18.0.\n\nUsers are recommended to upgrade to version 4.18.0, which fixes the issue.",
                    "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Maven%2FGHSA-c3f3-cc42-xr9v.json?alt=media"
                },
                {
                    "category": "description",
                    "text": "Cross-Realm Token Acceptance Bypass in KeycloakSecurityPolicy Apache Camel Keycloak component. \n\nThe Camel-Keycloak KeycloakSecurityPolicy does not validate the iss (issuer) claim of JWT tokens against the configured realm. A token issued by one Keycloak realm is silently accepted by a policy configured for a completely different realm, breaking tenant isolation.\nThis issue affects Apache Camel: from 4.15.0 before 4.18.0.\n\nUsers are recommended to upgrade to version 4.18.0, which fixes the issue.",
                    "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-23552.json?alt=media"
                },
                {
                    "category": "description",
                    "text": "Cross-Realm Token Acceptance Bypass in KeycloakSecurityPolicy Apache Camel Keycloak component.\n\nThe Camel-Keycloak KeycloakSecurityPolicy does not validate the iss (issuer) claim of JWT tokens against the configured realm. A token issued by one Keycloak realm is silently accepted by a policy configured for a completely different realm, breaking tenant isolation.\nThis issue affects Apache Camel: from 4.15.0 before 4.18.0.\n\nUsers are recommended to upgrade to version 4.18.0, which fixes the issue.",
                    "title": "gitlab - https://gitlab.com/api/v4/projects/25847700/repository/files/maven%2Forg.apache.camel%2Fcamel-keycloak%2FCVE-2026-23552.yml/raw"
                },
                {
                    "category": "other",
                    "text": "0.0004",
                    "title": "EPSS"
                },
                {
                    "category": "other",
                    "text": "3.6",
                    "title": "NCSC Score"
                },
                {
                    "category": "other",
                    "text": "There is product data available from source Certbundde, Is related to CWE-346 (Origin Validation Error)",
                    "title": "NCSC Score top increasing factors"
                },
                {
                    "category": "other",
                    "text": "There is exploit data available from source Nvd, Is related to a product by vendor Apache, Is related to (a version of) an uncommon product, Exploit code publicly available, There is exploit data available from source Cveprojectv5",
                    "title": "NCSC Score top decreasing factors"
                }
            ],
            "product_status": {
                "fixed": [
                    "CSAFPID-5908734"
                ],
                "known_affected": [
                    "CSAFPID-5628255",
                    "CSAFPID-5628256",
                    "CSAFPID-5628257",
                    "CSAFPID-5670712",
                    "CSAFPID-5721570",
                    "CSAFPID-5721571",
                    "CSAFPID-5721573",
                    "CSAFPID-5721574",
                    "CSAFPID-5731482"
                ]
            },
            "references": [
                {
                    "category": "external",
                    "summary": "Source - certbundde",
                    "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0445.json"
                },
                {
                    "category": "external",
                    "summary": "Source - nvd",
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23552"
                },
                {
                    "category": "external",
                    "summary": "Source raw - nvd",
                    "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-23552"
                },
                {
                    "category": "external",
                    "summary": "Source - cveprojectv5",
                    "url": "https://www.cve.org/CVERecord?id=CVE-2026-23552"
                },
                {
                    "category": "external",
                    "summary": "Source raw - cveprojectv5",
                    "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/23xxx/CVE-2026-23552.json"
                },
                {
                    "category": "external",
                    "summary": "Source - first",
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-23552"
                },
                {
                    "category": "external",
                    "summary": "Source raw - first",
                    "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0"
                },
                {
                    "category": "external",
                    "summary": "Source - github",
                    "url": "https://github.com/advisories/GHSA-c3f3-cc42-xr9v"
                },
                {
                    "category": "external",
                    "summary": "Source raw - github",
                    "url": "https://api.github.com/advisories/GHSA-c3f3-cc42-xr9v"
                },
                {
                    "category": "external",
                    "summary": "Source - osv",
                    "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Maven%2FGHSA-c3f3-cc42-xr9v.json?alt=media"
                },
                {
                    "category": "external",
                    "summary": "Source - osv",
                    "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-23552.json?alt=media"
                },
                {
                    "category": "external",
                    "summary": "Source - first",
                    "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0"
                },
                {
                    "category": "external",
                    "summary": "Source - gitlab",
                    "url": "https://gitlab.com/api/v4/projects/25847700/repository/files/maven%2Forg.apache.camel%2Fcamel-keycloak%2FCVE-2026-23552.yml/raw"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0445.json"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0445"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde; cveprojectv5; github; gitlab; nvd; osv",
                    "url": "https://camel.apache.org/security/CVE-2026-23552.html"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://camel.apache.org/security/CVE-2026-25747.html"
                },
                {
                    "category": "external",
                    "summary": "Reference - github; gitlab; nvd; osv",
                    "url": "https://github.com/oscerd/CVE-2026-23552"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; github; nvd; osv",
                    "url": "http://www.openwall.com/lists/oss-security/2026/02/18/7"
                },
                {
                    "category": "external",
                    "summary": "Reference - github; gitlab; osv",
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23552"
                },
                {
                    "category": "external",
                    "summary": "Reference - github; gitlab; osv",
                    "url": "https://github.com/apache/camel/commit/c1ed776e3a4fa23d15acf4b9a48fdf758d4316ff"
                },
                {
                    "category": "external",
                    "summary": "Reference - github; gitlab; osv",
                    "url": "https://issues.apache.org/jira/browse/CAMEL-22854"
                },
                {
                    "category": "external",
                    "summary": "Reference - github; gitlab",
                    "url": "https://github.com/advisories/GHSA-c3f3-cc42-xr9v"
                },
                {
                    "category": "external",
                    "summary": "Reference - gitlab",
                    "url": "https://github.com/apache/camel"
                }
            ],
            "scores": [
                {
                    "cvss_v3": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
                        "baseScore": 9.1,
                        "baseSeverity": "CRITICAL"
                    },
                    "products": [
                        "CSAFPID-5628255",
                        "CSAFPID-5628256",
                        "CSAFPID-5628257",
                        "CSAFPID-5670712",
                        "CSAFPID-5721570",
                        "CSAFPID-5721571",
                        "CSAFPID-5721573",
                        "CSAFPID-5721574",
                        "CSAFPID-5731482"
                    ]
                }
            ],
            "title": "CVE-2026-23552"
        }
    ]
}