{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"github.com/kumahq/kuma","cve_ids":["CVE-2026-18676","CVE-2026-45021"],"ecosystem":"Go","epss":0.00298,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-3vcp-chfh-f6r2","id":"tcs_01M5KGHX0ZBGA4T5Q4N79SD82R","modified_at":"2026-08-13T04:10:36.471482007Z","published_at":"2026-07-22T20:36:55Z","references":["https://osv.dev/vulnerability/GO-2026-5102","https://github.com/kumahq/kuma/security/advisories/GHSA-3vcp-chfh-f6r2","https://nvd.nist.gov/vuln/detail/CVE-2026-45021","https://github.com/kumahq/kuma/commit/8fefa8595d44eb68d922405702ed7a0826322907","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"],"severity":{"label":"medium","score":5.1},"sources":[{"source":"osv","source_id":"GO-2026-5102","url":"https://osv.dev/vulnerability/GO-2026-5102"},{"source":"nvd","source_id":"CVE-2026-18676","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18676"}],"summary":"Default kuma-cp leaks admin token cross-origin via CORS wildcard + LocalhostIsAdmin in github.com/kumahq/kuma"}