{"action":"Upgrade symfony/ux-live-component to 2.36.0 or later.","affected":[{"fixed":"2.36.0","introduced":"2.5.0"},{"fixed":"3.1.0","introduced":"3.0.0"}],"component":"symfony/ux-live-component","cve_ids":["CVE-2026-49209"],"ecosystem":"Packagist","epss":0.0056,"exploited":false,"fixed_versions":["2.36.0","3.1.0"],"ghsa_id":"GHSA-mm82-c99c-h2cf","id":"tcs_01M5KF5NN1G0EKP2DHNAH1VVP8","modified_at":"2026-09-10T03:51:09.083031592Z","published_at":"2026-06-19T19:34:45Z","references":["https://osv.dev/vulnerability/GHSA-mm82-c99c-h2cf","https://github.com/symfony/ux/security/advisories/GHSA-mm82-c99c-h2cf","https://github.com/symfony/ux/commit/95e878d5257f13d6d652ca95e3ef6bb0934d674f","https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/ux-live-component/CVE-2026-49209.yaml","https://github.com/symfony/ux"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-mm82-c99c-h2cf","url":"https://osv.dev/vulnerability/GHSA-mm82-c99c-h2cf"},{"source":"nvd","source_id":"CVE-2026-49209","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-49209"}],"summary":"symfony/ux-live-component: Denial of service via unbounded batch action requests"}