{ "document": { "aggregate_severity": { "text": "Medium" }, "category": "csaf_vex", "csaf_version": "2.0", "distribution": { "text": "TuxCare License Agreement", "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 Cloud Linux Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/centos-stream8els/vex/2026/cve-2026-33245-els_os-centos-stream8els.json" } ], "tracking": { "current_release_date": "2026-10-20T08:56:36Z", "generator": { "date": "2026-10-20T08:56:36Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2026-33245-ELS_OS-CENTOS-STREAM8ELS", "initial_release_date": "2026-06-02T20:16:00Z", "revision_history": [ { "date": "2026-06-02T20:16:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-10-19T20:51:15Z", "number": "2", "summary": "Official Publication" }, { "date": "2026-10-20T08:56:36Z", "number": "3", "summary": "Update document" } ], "status": "final", "version": "3" }, "title": "Security update on CVE-2026-33245" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Community Enterprise Operating System 8", "product": { "name": "Community Enterprise Operating System 8", "product_id": "CentOS-Stream-8", "product_identification_helper": { "cpe": "cpe:2.3:o:centos:centos:8:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "Community Enterprise Operating System" }, { "branches": [ { "category": "product_version", "name": "pcs-0:0.10.18-2.el8.x86_64", "product": { "name": "pcs-0:0.10.18-2.el8.x86_64", "product_id": "pcs-0:0.10.18-2.el8.x86_64", "product_identification_helper": { "purl": "pkg:rpm/centos/pcs@0.10.18-2.el8?arch=x86_64" } } }, { "category": "product_version", "name": "pcs-snmp-0:0.10.18-2.el8.x86_64", "product": { "name": "pcs-snmp-0:0.10.18-2.el8.x86_64", "product_id": "pcs-snmp-0:0.10.18-2.el8.x86_64", "product_identification_helper": { "purl": "pkg:rpm/centos/pcs-snmp@0.10.18-2.el8?arch=x86_64" } } } ], "category": "architecture", "name": "x86_64" } ], "category": "vendor", "name": "Red Hat, Inc." }, { "branches": [ { "branches": [ { "category": "product_version", "name": "pcs-0:0.10.18-2.el8.tuxcare.els1.x86_64", "product": { "name": "pcs-0:0.10.18-2.el8.tuxcare.els1.x86_64", "product_id": "pcs-0:0.10.18-2.el8.tuxcare.els1.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/pcs@0.10.18-2.el8.tuxcare.els1?arch=x86_64" } } }, { "category": "product_version", "name": "pcs-snmp-0:0.10.18-2.el8.tuxcare.els1.x86_64", "product": { "name": "pcs-snmp-0:0.10.18-2.el8.tuxcare.els1.x86_64", "product_id": "pcs-snmp-0:0.10.18-2.el8.tuxcare.els1.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/pcs-snmp@0.10.18-2.el8.tuxcare.els1?arch=x86_64" } } } ], "category": "architecture", "name": "x86_64" } ], "category": "vendor", "name": "TuxCare" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "pcs-0:0.10.18-2.el8.tuxcare.els1.x86_64 as a component of Community Enterprise Operating System 8", "product_id": "CentOS-Stream-8:pcs-0:0.10.18-2.el8.tuxcare.els1.x86_64" }, "product_reference": "pcs-0:0.10.18-2.el8.tuxcare.els1.x86_64", "relates_to_product_reference": "CentOS-Stream-8" }, { "category": "default_component_of", "full_product_name": { "name": "pcs-snmp-0:0.10.18-2.el8.tuxcare.els1.x86_64 as a component of Community Enterprise Operating System 8", "product_id": "CentOS-Stream-8:pcs-snmp-0:0.10.18-2.el8.tuxcare.els1.x86_64" }, "product_reference": "pcs-snmp-0:0.10.18-2.el8.tuxcare.els1.x86_64", "relates_to_product_reference": "CentOS-Stream-8" }, { "category": "default_component_of", "full_product_name": { "name": "pcs-0:0.10.18-2.el8.x86_64 as a component of Community Enterprise Operating System 8", "product_id": "CentOS-Stream-8:pcs-0:0.10.18-2.el8.x86_64" }, "product_reference": "pcs-0:0.10.18-2.el8.x86_64", "relates_to_product_reference": "CentOS-Stream-8" }, { "category": "default_component_of", "full_product_name": { "name": "pcs-snmp-0:0.10.18-2.el8.x86_64 as a component of Community Enterprise Operating System 8", "product_id": "CentOS-Stream-8:pcs-snmp-0:0.10.18-2.el8.x86_64" }, "product_reference": "pcs-snmp-0:0.10.18-2.el8.x86_64", "relates_to_product_reference": "CentOS-Stream-8" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-33245", "cwe": { "id": "CWE-79", "name": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')" }, "notes": [ { "category": "description", "text": "React Router is a router for React. In versions 7.7.0 through 7.13.1, when using React Router's unstable React Server Components (RSC) APIs, there is a potential client-side Cross-Site Scripting (XSS) vulnerability in the RSC redirect handling if redirects come from untrusted sources. This does not impact applications that are not using the unstable RSC APIs in React Router. This is patched in version 7.13.2.", "title": "Vulnerability description" }, { "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": [ "CentOS-Stream-8:pcs-0:0.10.18-2.el8.tuxcare.els1.x86_64", "CentOS-Stream-8:pcs-0:0.10.18-2.el8.x86_64", "CentOS-Stream-8:pcs-snmp-0:0.10.18-2.el8.tuxcare.els1.x86_64", "CentOS-Stream-8:pcs-snmp-0:0.10.18-2.el8.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2026-33245" }, { "category": "external", "summary": "https://github.com/remix-run/react-router/security/advisories/GHSA-8646-j5j9-6r62", "url": "https://github.com/remix-run/react-router/security/advisories/GHSA-8646-j5j9-6r62" } ], "release_date": "2026-06-02T20:16:00Z", "remediations": [ { "category": "no_fix_planned", "date": "2026-10-20T08:46:43.306927Z", "details": "This XSS only exists in React Router 7.7.0–7.13.1 when an application explicitly opts into the unstable React Server Components APIs and accepts redirect targets from untrusted sources; applications using standard client-side routing or not using RSC are unaffected. It is a client-side issue requiring user interaction and a high‑complexity redirect path, with no server‑side code execution or privilege escalation, so impact to managed servers/VMs is minimal. Given these narrow preconditions and client-only impact, it can be safely deprioritized relative to server‑side or RCE vulnerabilities.", "product_ids": [ "CentOS-Stream-8:pcs-0:0.10.18-2.el8.tuxcare.els1.x86_64", "CentOS-Stream-8:pcs-0:0.10.18-2.el8.x86_64", "CentOS-Stream-8:pcs-snmp-0:0.10.18-2.el8.tuxcare.els1.x86_64", "CentOS-Stream-8:pcs-snmp-0:0.10.18-2.el8.x86_64" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1" }, "products": [ "CentOS-Stream-8:pcs-0:0.10.18-2.el8.tuxcare.els1.x86_64", "CentOS-Stream-8:pcs-0:0.10.18-2.el8.x86_64", "CentOS-Stream-8:pcs-snmp-0:0.10.18-2.el8.tuxcare.els1.x86_64", "CentOS-Stream-8:pcs-snmp-0:0.10.18-2.el8.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ] } ] }