{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-66794 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-66794 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-66794 is a critical server-side request forgery vulnerability in Red Hat multicluster engine for Kubernetes 2.10, published on 19 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-66794 and fix it if it is affected.\n\nWhat it is: CVE-2026-66794 is a critical server-side request forgery vulnerability in Red Hat multicluster engine for Kubernetes 2.10, published on 19 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-66794 in the wild and no public exploit code.\n\nAffected product: Red Hat multicluster engine for Kubernetes 2.10. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-66794/ (Markdown: https://insights.sbomify.com/CVE-2026-66794/index.md)","id":"CVE-2026-66794","markdown":"https://insights.sbomify.com/CVE-2026-66794/index.md","name":"CVE-2026-66794","record":{"aliases":["GHSA-9855-9cch-x8mw"],"analysis":{"component_type":"cloud_service","fix_type":"patch","impacts":["data_read","security_bypass"],"network_reachable":"yes","non_default_config":false,"product_category":"Kubernetes cluster proxy","requires_auth":"none","summary":"Unauthenticated attackers can bypass authentication to access arbitrary internal services across managed clusters via the cluster-proxy-addon route.","user_interaction":"not_required","vuln_class":"ssrf"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"redhat","cpe":[],"cvss":{"score":9.3,"severity":"critical","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N","version":"3.1"},"cwes":[{"id":"CWE-918","name":"Server-Side Request Forgery"}],"description":"A flaw was found in the `cluster-proxy-addon` component of Multicluster Engine for Kubernetes. This vulnerability allows an unauthenticated attacker, who can access the user-facing route, to bypass authentication and authorization checks. By manipulating URL path segments, the attacker can proxy requests to arbitrary services across any managed cluster. This enables unauthorized access to internal services that would otherwise be protected, potentially leading to information disclosure or further compromise of the cluster environment.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":null,"headline":"Cluster-proxy-addon: cluster-proxy-addon: unauthenticated ssrf to arbitrary managed-cluster services via public route","id":"CVE-2026-66794","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"ssrf","year":"2026"},"n_packages":0,"n_references":8,"next":{"headline":"Privilege escalation in multicluster engine for Kubernetes 2.10","id":"CVE-2026-66795"},"packages":[],"prev":{"headline":"Privilege escalation in Red Hat Advanced Cluster Management for Kubernetes 2.11","id":"CVE-2026-66793"},"products":["multicluster engine for Kubernetes 2.10","multicluster engine for Kubernetes 2.11","multicluster engine for Kubernetes 2.17","multicluster engine for Kubernetes 2.6","multicluster engine for Kubernetes 2.8","multicluster engine for Kubernetes 2.9"],"published":"2026-08-19","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"yes","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-09-29","vendors":["Red Hat"]},"summary":"Unauthenticated attackers can bypass authentication to access arbitrary internal services across managed clusters via the cluster-proxy-addon route.","url":"https://insights.sbomify.com/CVE-2026-66794/"}