{"id":"CVE-2026-18676","revision":"494dd7511a044ed38487a8b6b758eb0e","records":[{"revision":"494dd7511a044ed38487a8b6b758eb0e","observedAt":"2026-10-25T05:17:25.909+00:00","statement":{"source":"nvd","id":"CVE-2026-18676","aliases":[],"title":"The default kuma-cp configuration in Kong Mesh reveals the admin bootstrap token and signing keys to any webpage the operator visits while the control plane is reachable from their browser.\u00A0Due to a CORS misconfiguration a cross-origin fetc…","description":"The default kuma-cp configuration in Kong Mesh reveals the admin bootstrap token and signing keys to any webpage the operator visits while the control plane is reachable from their browser.\u00A0Due to a CORS misconfiguration a cross-origin fetch() from a malicious page returns the admin JWT and signing material.","state":0,"publishedAt":"2026-08-12T19:17:30.813+00:00","modifiedAt":"2026-10-23T19:10:00.167+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · 02762ae7-200e-4b20-9b2b-a77d5b8fc4cb · Secondary","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":5.1,"severity":"MEDIUM"}],"references":["https://developer.konghq.com/mesh/changelog/","https://github.com/kumahq/kuma/pull/16416","https://github.com/kumahq/kuma/pull/16423","https://github.com/kumahq/kuma/pull/16424","https://github.com/kumahq/kuma/pull/16425","https://github.com/kumahq/kuma/pull/16426","https://github.com/kumahq/kuma/pull/16427","https://github.com/kumahq/kuma/security/advisories/GHSA-3vcp-chfh-f6r2"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-18676","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Awaiting Analysis","weaknesses":["CWE-346","CWE-942"],"productCriteria":[],"sourceDates":{"published":"2026-08-12T19:17:30.813","lastModified":"2026-10-23T19:10:00.167"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-18676","identifiers":["CVE-2026-18676"]},"retained":false,"historicalAffected":[]}],"coverage":[]}