{ "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-2026-18963", "tracking": { "current_release_date": "2026-08-25T15:49:40.684161Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-18963", "initial_release_date": "2026-08-18T17:26:14.297018Z", "revision_history": [ { "date": "2026-08-18T17:26:14.297018Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-08-18T17:26:24.178554Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-08-18T17:43:22.550712Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-08-18T17:43:28.839187Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-08-18T21:25:34.977932Z", "number": "5", "summary": "References created (3)." }, { "date": "2026-08-18T21:42:31.123044Z", "number": "6", "summary": "Products created (4).| Product Identifiers created (4).| References created (3)." }, { "date": "2026-08-19T00:27:57.265897Z", "number": "7", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (12).| Product Identifiers created (5).| Product Remediations created (16).| Products created (4).| References created (2).| CWES updated (1).| Vendor_assessment created." }, { "date": "2026-08-19T00:28:01.245300Z", "number": "8", "summary": "NCSC Score updated." }, { "date": "2026-08-19T02:38:48.384632Z", "number": "9", "summary": "References created (1)." }, { "date": "2026-08-19T03:26:33.936679Z", "number": "10", "summary": "References created (1)." }, { "date": "2026-08-19T11:13:29.784715Z", "number": "11", "summary": "Source connected.| CVE status created. (valid)| Products connected (1).| References created (3)." }, { "date": "2026-08-19T11:13:31.482234Z", "number": "12", "summary": "NCSC Score updated." }, { "date": "2026-08-19T13:28:55.122950Z", "number": "13", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| Product Identifiers created (10).| Product Remediations created (8).| Products created (3).| Product Identifiers removed (6).| References created (7).| CWES updated (1)." }, { "date": "2026-08-19T13:29:00.049967Z", "number": "14", "summary": "Source connected.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (4).| Product Remediations created (8).| Product Identifiers created (8).| Product Identifiers removed (8).| References created (7).| CWES updated (1)." }, { "date": "2026-08-19T13:29:04.195406Z", "number": "15", "summary": "Source connected.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| Product Remediations created (2).| References created (7).| CWES updated (1)." }, { "date": "2026-08-19T13:29:04.649898Z", "number": "16", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| Product Identifiers created (1).| Product Remediations created (2).| References created (7).| CWES updated (1)." }, { "date": "2026-08-19T13:29:10.386540Z", "number": "17", "summary": "NCSC Score updated." }, { "date": "2026-08-19T16:02:44.432425Z", "number": "18", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-08-20T14:39:08.401968Z", "number": "19", "summary": "Unknown change." }, { "date": "2026-08-20T14:39:21.150389Z", "number": "20", "summary": "NCSC Score updated." }, { "date": "2026-08-21T06:27:16.224755Z", "number": "21", "summary": "NCSC Score updated." }, { "date": "2026-08-22T15:11:55.706282Z", "number": "22", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-08-22T15:12:11.149126Z", "number": "23", "summary": "NCSC Score updated." }, { "date": "2026-08-24T15:55:29.483425Z", "number": "24", "summary": "EPSS updated." }, { "date": "2026-08-24T15:55:31.820334Z", "number": "25", "summary": "NCSC Score updated." }, { "date": "2026-08-25T00:01:08.573075Z", "number": "26", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| Exploits created (1).| References created (5).| CWES updated (1)." }, { "date": "2026-08-25T00:01:24.319767Z", "number": "27", "summary": "NCSC Score updated." }, { "date": "2026-08-25T06:05:47.772538Z", "number": "28", "summary": "Products connected (2).| References created (5)." }, { "date": "2026-08-25T06:05:51.477500Z", "number": "29", "summary": "NCSC Score updated." }, { "date": "2026-08-25T12:01:05.557727Z", "number": "30", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| Exploits created (1).| References created (5).| CWES updated (1)." }, { "date": "2026-08-25T12:01:15.481115Z", "number": "31", "summary": "NCSC Score updated." }, { "date": "2026-08-25T13:39:58.503092Z", "number": "32", "summary": "Source connected.| CVE status created. (valid)" }, { "date": "2026-08-25T15:49:37.714039Z", "number": "33", "summary": "EPSS updated." }, { "date": "2026-08-25T15:49:39.550082Z", "number": "34", "summary": "NCSC Score updated." } ], "status": "interim", "version": "34" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/keycloak", "product": { "name": "vers:unknown/keycloak", "product_id": "CSAFPID-5187459", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:keycloak" } } } ], "category": "product_name", "name": "Enterprise Linux" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/unknown", "product": { "name": "vers:unknown/unknown", "product_id": "CSAFPID-1317175", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:-" } } } ], "category": "product_name", "name": "Red Hat Enterprise Linux" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1439304", "product_identification_helper": { "cpe": "cpe:/a:redhat:jbosseapxp" } } } ], "category": "product_name", "name": "Red Hat JBoss Enterprise Application Platform Expansion Pack" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/7", "product": { "name": "vers:rpm/7", "product_id": "CSAFPID-1439308", "product_identification_helper": { "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7" } } } ], "category": "product_name", "name": "Red Hat Single Sign-On 7" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/26.4", "product": { "name": "vers:rpm/26.4", "product_id": "CSAFPID-5187750", "product_identification_helper": { "cpe": "cpe:/a:redhat:build_keycloak:26.4::el9" } } } ], "category": "product_name", "name": "Red Hat build of Keycloak 26.4" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/26.4", "product": { "name": "vers:rpm/26.4", "product_id": "CSAFPID-9013388", "product_identification_helper": { "cpe": "cpe:/a:redhat:build_keycloak:26.4" } } } ], "category": "product_name", "name": "Red Hat build of Keycloak 26.4.15" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/26.6", "product": { "name": "vers:rpm/26.6", "product_id": "CSAFPID-8300668", "product_identification_helper": { "cpe": "cpe:/a:redhat:build_keycloak:26.6::el9" } } } ], "category": "product_name", "name": "Red Hat build of Keycloak 26.6" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/26.6", "product": { "name": "vers:rpm/26.6", "product_id": "CSAFPID-9013387", "product_identification_helper": { "cpe": "cpe:/a:redhat:build_keycloak:26.6" } } } ], "category": "product_name", "name": "Red Hat build of Keycloak 26.6.6" }, { "branches": [ { "category": "product_version_range", "name": "vers:oci/26.4.15-1", "product": { "name": "vers:oci/26.4.15-1", "product_id": "CSAFPID-9013381", "product_identification_helper": { "purl": "pkg:oci/keycloak-operator-bundle@sha256:f4df815564fc6801b50dffbbd3e0a421dfd83841c83c22a8e09305eeffdaf687?arch=amd64&repository_url=registry.redhat.io/rhbk/keycloak-operator-bundle&tag=26.4.15-1" } } }, { "category": "product_version_range", "name": "vers:oci/26.6.6-1", "product": { "name": "vers:oci/26.6.6-1", "product_id": "CSAFPID-9013384", "product_identification_helper": { "purl": "pkg:oci/keycloak-operator-bundle@sha256:59dc8a796829d2ffd605425348c9801ae38823da3269006a1fcc7d013a41eb30?arch=amd64&repository_url=registry.redhat.io/rhbk/keycloak-operator-bundle&tag=26.6.6-1" } } } ], "category": "product_name", "name": "keycloak-operator-bundle" }, { "branches": [ { "category": "product_version_range", "name": "vers:oci/26.4-23", "product": { "name": "vers:oci/26.4-23", "product_id": "CSAFPID-9013383", "product_identification_helper": { "purl": "pkg:oci/keycloak-rhel9@sha256:faf3f6772c31b33f526887927505095a6dd5bd8e507c643ebcc64eea60be56eb?arch=arm64&repository_url=registry.redhat.io/rhbk/keycloak-rhel9&tag=26.4-23" } } }, { "category": "product_version_range", "name": "vers:oci/26.6-12", "product": { "name": "vers:oci/26.6-12", "product_id": "CSAFPID-9013386", "product_identification_helper": { "purl": "pkg:oci/keycloak-rhel9@sha256:e5a8533ccec075ff65f3447fd186a14069452e4446331a8f95530a2a86cb52a7?arch=s390x&repository_url=registry.redhat.io/rhbk/keycloak-rhel9&tag=26.6-12" } } } ], "category": "product_name", "name": "keycloak-rhel9" }, { "branches": [ { "category": "product_version_range", "name": "vers:oci/26.4-23", "product": { "name": "vers:oci/26.4-23", "product_id": "CSAFPID-9013382", "product_identification_helper": { "purl": "pkg:oci/keycloak-rhel9-operator@sha256:b80c873fd9fe1ec85cf4191714a6ea2ac80854b2bdc3781d15811d16692527a0?arch=amd64&repository_url=registry.redhat.io/rhbk/keycloak-rhel9-operator&tag=26.4-23" } } }, { "category": "product_version_range", "name": "vers:oci/26.6-12", "product": { "name": "vers:oci/26.6-12", "product_id": "CSAFPID-9013385", "product_identification_helper": { "purl": "pkg:oci/keycloak-rhel9-operator@sha256:c32f09e3b7c212e7fd6b4a9b7b5857e4fd18d4416e5d256ca99299377edeb05e?arch=ppc64le&repository_url=registry.redhat.io/rhbk/keycloak-rhel9-operator&tag=26.6-12" } } } ], "category": "product_name", "name": "keycloak-rhel9-operator" } ], "category": "product_family", "name": "Red Hat build of Keycloak" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/26.4", "product": { "name": "vers:rpm/26.4", "product_id": "CSAFPID-5186238", "product_identification_helper": { "cpe": "cpe:/a:redhat:build_keycloak:26.4::el9" } } }, { "category": "product_version_range", "name": "vers:rpm/26.4-23|<*", "product": { "name": "vers:rpm/26.4-23|<*", "product_id": "CSAFPID-9008645", "product_identification_helper": { "cpe": "cpe:/a:redhat:build_keycloak:26.4::el9" } } }, { "category": "product_version_range", "name": "vers:rpm/26.4.15-1|<*", "product": { "name": "vers:rpm/26.4.15-1|<*", "product_id": "CSAFPID-9008646", "product_identification_helper": { "cpe": "cpe:/a:redhat:build_keycloak:26.4::el9" } } } ], "category": "product_name", "name": "Red Hat build of Keycloak 26.4" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/26.6", "product": { "name": "vers:rpm/26.6", "product_id": "CSAFPID-8502107", "product_identification_helper": { "cpe": "cpe:/a:redhat:build_keycloak:26.6::el9" } } }, { "category": "product_version_range", "name": "vers:rpm/26.6-12|<*", "product": { "name": "vers:rpm/26.6-12|<*", "product_id": "CSAFPID-9008647", "product_identification_helper": { "cpe": "cpe:/a:redhat:build_keycloak:26.6::el9" } } }, { "category": "product_version_range", "name": "vers:rpm/26.6.6-1|<*", "product": { "name": "vers:rpm/26.6.6-1|<*", "product_id": "CSAFPID-9008648", "product_identification_helper": { "cpe": "cpe:/a:redhat:build_keycloak:26.6::el9" } } } ], "category": "product_name", "name": "Red Hat build of Keycloak 26.6" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/26.6", "product": { "name": "vers:rpm/26.6", "product_id": "CSAFPID-9008988", "product_identification_helper": { "cpe": "cpe:/a:redhat:build_keycloak:26.6" } } } ], "category": "product_name", "name": "Red Hat build of Keycloak 26.6.6" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/26.4.15-1", "product": { "name": "vers:rpm/26.4.15-1", "product_id": "CSAFPID-9008998" } } ], "category": "product_name", "name": "keycloak-operator-bundle" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-9008997" } } ], "category": "product_name", "name": "keycloak-rhel9-container-26.4-23" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/26.4-23", "product": { "name": "vers:rpm/26.4-23", "product_id": "CSAFPID-9008999" } } ], "category": "product_name", "name": "keycloak-rhel9-operator" } ], "category": "product_family", "name": "Red Hat build of Keycloak 26.4" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-9008985" } } ], "category": "product_name", "name": "keycloak-rhel9-container-26.6-12" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-9008986" } } ], "category": "product_name", "name": "keycloak-rhel9-operator-bundle-container-26.6.6" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-9008987" } } ], "category": "product_name", "name": "keycloak-rhel9-operator-container-26.6-12" } ], "category": "product_family", "name": "Red Hat build of Keycloak 26.6" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-2986457" } } ], "category": "product_name", "name": "keycloak-services" } ], "category": "product_family", "name": "Red Hat JBoss Enterprise Application Platform Expansion Pack" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-2563053" } } ], "category": "product_name", "name": "keycloak-services" } ], "category": "product_family", "name": "Red Hat Single Sign-On 7" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-9008990" } } ], "category": "product_name", "name": "keycloak-services" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-9009001" } } ], "category": "product_name", "name": "rhbk-keycloak-rhel9" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-9008992" } } ], "category": "product_name", "name": "rhbk-openshift-rhel9" } ], "category": "product_family", "name": "Red Hat build of Keycloak 26.6.6" } ], "category": "vendor", "name": "Red Hat" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<26.7.2", "product": { "name": "vers:unknown/<26.7.2", "product_id": "CSAFPID-9012188" } } ], "category": "product_name", "name": "Keycloak" } ], "category": "vendor", "name": "Open Source" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/unknown", "product": { "name": "vers:unknown/unknown", "product_id": "CSAFPID-1980529" } } ], "category": "product_name", "name": "keycloak" } ], "category": "vendor", "name": "Keycloak" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-18963", "cwe": { "id": "CWE-640", "name": "Weak Password Recovery Mechanism for Forgotten Password" }, "notes": [ { "category": "description", "text": "A flaw was found in the reset-credentials flow of the keycloak-services component, which is the core engine for identity and access management in Red Hat Build of Keycloak. The issue allows an unauthenticated attacker to force the password reset process for any user without needing to click the required email verification link. This can result in the attacker gaining full control over target user accounts by directly setting new credentials.", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-18963" }, { "category": "description", "text": "A flaw was found in the reset-credentials flow of the keycloak-services component, which is the core engine for identity and access management in Red Hat Build of Keycloak. The issue allows an unauthenticated attacker to force the password reset process for any user without needing to click the required email verification link. This can result in the attacker gaining full control over target user accounts by directly setting new credentials.", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/18xxx/CVE-2026-18963.json" }, { "category": "description", "text": "A flaw was found in the reset-credentials flow of the keycloak-services component, which is the core engine for identity and access management in Red Hat Build of Keycloak. The issue allows an unauthenticated attacker to force the password reset process for any user without needing to click the required email verification link. This can result in the attacker gaining full control over target user accounts by directly setting new credentials.\nThe Red Hat Product Security team has assessed the severity of this vulnerability as Critical, given that it can be exploited by an unauthenticated remote attacker without any user interaction. Successful exploitation allows an attacker to gain full access to any user account by bypassing the email verification step in the password recovery process. The vulnerability's root cause is improper state validation within the reset-credentials authentication flow.", "title": "redhat - https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-18963.json" }, { "category": "description", "text": "A flaw was found in the reset-credentials flow of the keycloak-services component, which is the core engine for identity and access management in Red Hat Build of Keycloak. The issue allows an unauthenticated attacker to force the password reset process for any user without needing to click the required email verification link. This can result in the attacker gaining full control over target user accounts by directly setting new credentials.", "title": "redhat - https://access.redhat.com/hydra/rest/securitydata/csaf/RHSA-2026:56519.json" }, { "category": "description", "text": "A flaw was found in the reset-credentials flow of the keycloak-services component, which is the core engine for identity and access management in Red Hat Build of Keycloak. The issue allows an unauthenticated attacker to force the password reset process for any user without needing to click the required email verification link. This can result in the attacker gaining full control over target user accounts by directly setting new credentials.", "title": "redhat - https://access.redhat.com/hydra/rest/securitydata/csaf/RHSA-2026:56520.json" }, { "category": "description", "text": "A flaw was found in the reset-credentials flow of the keycloak-services component, which is the core engine for identity and access management in Red Hat Build of Keycloak. The issue allows an unauthenticated attacker to force the password reset process for any user without needing to click the required email verification link. This can result in the attacker gaining full control over target user accounts by directly setting new credentials.", "title": "redhat - https://access.redhat.com/hydra/rest/securitydata/csaf/RHSA-2026:56524.json" }, { "category": "description", "text": "A flaw was found in the reset-credentials flow of the keycloak-services component, which is the core engine for identity and access management in Red Hat Build of Keycloak. The issue allows an unauthenticated attacker to force the password reset process for any user without needing to click the required email verification link. This can result in the attacker gaining full control over target user accounts by directly setting new credentials.", "title": "redhat - https://access.redhat.com/hydra/rest/securitydata/csaf/RHSA-2026:56523.json" }, { "category": "description", "text": "Keycloak versions prior to 26.7.2, 26.6.6, and 26.4.15 contain a flaw in the reset-credentials flow that allows an unauthenticated attacker to bypass email verification and take over any user account. Two bugs are chained: (1) the tryAnotherWay handler stores a generic \"true\" selector note not scoped to the execution ID, and (2) ResetCredentialEmail.action() calls context.success() without verifying ACTION_TOKEN_USER_ID.\n", "title": "nucleitemplates - https://github.com/projectdiscovery/nuclei-templates/raw/0eb1fbb1a3504683ffcbb548f44f067cea5b6209/http%2Fcves%2F2026%2FCVE-2026-18963.yaml" }, { "category": "description", "text": "Keycloak versions prior to 26.7.2, 26.6.6, and 26.4.15 contain a flaw in the reset-credentials flow that allows an unauthenticated attacker to bypass email verification and take over any user account. Two bugs are chained: (1) the tryAnotherWay handler stores a generic \"true\" selector note not scoped to the execution ID, and (2) ResetCredentialEmail.action() calls context.success() without verifying ACTION_TOKEN_USER_ID.\n", "title": "nucleitemplates - https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-18963.yaml" }, { "category": "other", "text": "0.02788", "title": "EPSS" }, { "category": "other", "text": "4.7", "title": "NCSC Score" }, { "category": "other", "text": "VENDOR FIX as product remediation category, The value of the most recent EPSS score, Is related to CWE-640 (Weak Password Recovery Mechanism for Forgotten Password), There is product data available from source Certbundde", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "There is cwe data available from source Nvd", "title": "NCSC Score top decreasing factors" }, { "category": "details", "text": "Severity: 4\n", "title": "Vendor assessment" } ], "product_status": { "fixed": [ "CSAFPID-9013381", "CSAFPID-9013382", "CSAFPID-9013383", "CSAFPID-9013384", "CSAFPID-9013385", "CSAFPID-9013386", "CSAFPID-9013387", "CSAFPID-9013388" ], "known_affected": [ "CSAFPID-1439304", "CSAFPID-2986457", "CSAFPID-5186238", "CSAFPID-8502107", "CSAFPID-9008985", "CSAFPID-9008986", "CSAFPID-9008987", "CSAFPID-9008988", "CSAFPID-9008990", "CSAFPID-9008992", "CSAFPID-9008997", "CSAFPID-9008998", "CSAFPID-9008999", "CSAFPID-9009001", "CSAFPID-9012188", "CSAFPID-1980529", "CSAFPID-1317175", "CSAFPID-5187459" ], "known_not_affected": [ "CSAFPID-9008645", "CSAFPID-9008646", "CSAFPID-9008647", "CSAFPID-9008648", "CSAFPID-1439308", "CSAFPID-2563053" ] }, "references": [ { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=40000" }, { "category": "external", "summary": "Source - nucleitemplates", "url": "https://github.com/projectdiscovery/nuclei-templates/raw/0eb1fbb1a3504683ffcbb548f44f067cea5b6209/http%2Fcves%2F2026%2FCVE-2026-18963.yaml" }, { "category": "external", "summary": "Source - nucleitemplates", "url": "https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-18963.yaml" }, { "category": "external", "summary": "Source - ncscclear", "url": "https://advisories.ncsc.nl/advisory?id=NCSC-2026-0326" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-18963.json" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/18xxx/CVE-2026-18963.json" }, { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-18963" }, { "category": "external", "summary": "Source - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2915.json" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/csaf/RHSA-2026:56519.json" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/csaf/RHSA-2026:56520.json" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/csaf/RHSA-2026:56524.json" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/csaf/RHSA-2026:56523.json" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=30000" }, { "category": "external", "summary": "Source - ncscclear", "url": "https://vulnerabilities.ncsc.nl/manual/CVE-2026-18963" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; redhat", "url": "https://access.redhat.com/security/cve/CVE-2026-18963" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; redhat", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2511595" }, { "category": "external", "summary": "Reference - redhat", "url": "https://www.cve.org/CVERecord?id=CVE-2026-18963" }, { "category": "external", "summary": "Reference - nucleitemplates; redhat", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18963" }, { "category": "external", "summary": "Reference - certbundde; cveprojectv5; nvd; redhat", "url": "https://access.redhat.com/errata/RHSA-2026:56519" }, { "category": "external", "summary": "Reference - certbundde; cveprojectv5; nvd; redhat", "url": "https://access.redhat.com/errata/RHSA-2026:56523" }, { "category": "external", "summary": "Reference - certbundde; cveprojectv5; nvd; redhat", "url": "https://access.redhat.com/errata/RHSA-2026:56524" }, { "category": "external", "summary": "Reference - certbundde; cveprojectv5; nvd; redhat", "url": "https://access.redhat.com/errata/RHSA-2026:56520" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2915.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2915" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://www.keycloak.org/2026/08/keycloak-2672-released" }, { "category": "external", "summary": "Reference - redhat", "url": "https://access.redhat.com/security/updates/classification/#critical" }, { "category": "external", "summary": "Reference - redhat", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_56519.json" }, { "category": "external", "summary": "Reference - redhat", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_56520.json" }, { "category": "external", "summary": "Reference - redhat", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_56524.json" }, { "category": "external", "summary": "Reference - redhat", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_56523.json" }, { "category": "external", "summary": "Reference - nucleitemplates", "url": "https://github.com/keycloak/keycloak/pull/51844" }, { "category": "external", "summary": "Reference - nucleitemplates", "url": "https://github.com/keycloak/keycloak/issues/51833" }, { "category": "external", "summary": "Reference - nucleitemplates", "url": "https://github.com/T0w0T/POC-CVE-2026-18963" }, { "category": "external", "summary": "Reference - nucleitemplates", "url": "https://access.redhat.com/security/cve/cve-2026-18963" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://github.com/Red-Darkin/CVE-2026-18963-keycloak" } ], "remediations": [ { "category": "mitigation", "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": [ "CSAFPID-1439304", "CSAFPID-1439308", "CSAFPID-2563053", "CSAFPID-2986457", "CSAFPID-5186238", "CSAFPID-8502107", "CSAFPID-9008985", "CSAFPID-9008986", "CSAFPID-9008987", "CSAFPID-9008988", "CSAFPID-9008990", "CSAFPID-9008992", "CSAFPID-9008997", "CSAFPID-9008998", "CSAFPID-9008999", "CSAFPID-9009001" ] }, { "category": "vendor_fix", "details": "Before applying the update, back up your existing installation,\nincluding all applications, configuration files, databases and\ndatabase settings, and so on.", "product_ids": [ "CSAFPID-5187750", "CSAFPID-9013381", "CSAFPID-9013382", "CSAFPID-9013383" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2026:56519" }, { "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": [ "CSAFPID-5187750", "CSAFPID-9013381", "CSAFPID-9013382", "CSAFPID-9013383", "CSAFPID-8300668", "CSAFPID-9013384", "CSAFPID-9013385", "CSAFPID-9013386", "CSAFPID-9013387", "CSAFPID-9013388" ] }, { "category": "vendor_fix", "details": "Before applying the update, back up your existing installation,\nincluding all applications, configuration files, databases and\ndatabase settings, and so on.", "product_ids": [ "CSAFPID-8300668", "CSAFPID-9013384", "CSAFPID-9013385", "CSAFPID-9013386" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2026:56524" }, { "category": "vendor_fix", "details": "Before applying the update, back up your existing installation,\nincluding all applications, configuration files, databases and\ndatabase settings, and so on.", "product_ids": [ "CSAFPID-9013387" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2026:56523" }, { "category": "vendor_fix", "details": "Before applying the update, back up your existing installation,\nincluding all applications, configuration files, databases and\ndatabase settings, and so on.", "product_ids": [ "CSAFPID-9013388" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2026:56520" } ], "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-1317175", "CSAFPID-1439304", "CSAFPID-1980529", "CSAFPID-2986457", "CSAFPID-5186238", "CSAFPID-5187459", "CSAFPID-8502107", "CSAFPID-9008985", "CSAFPID-9008986", "CSAFPID-9008987", "CSAFPID-9008988", "CSAFPID-9008990", "CSAFPID-9008992", "CSAFPID-9008997", "CSAFPID-9008998", "CSAFPID-9008999", "CSAFPID-9009001", "CSAFPID-9012188" ] } ], "title": "CVE-2026-18963" } ] }