{"action":"Upgrade flightphp/core to 3.18.1 or later.","affected":[{"fixed":"3.18.1","introduced":"0"}],"component":"flightphp/core","cve_ids":["CVE-2026-42548"],"ecosystem":"Packagist","epss":0.00449,"exploited":false,"fixed_versions":["3.18.1"],"ghsa_id":"GHSA-fcx8-ph5r-mxr4","id":"tcs_01M5KF1QAVTZZ8DXDK4M0YPDM8","modified_at":"2026-05-14T20:50:58.863502Z","published_at":"2026-05-06T21:34:15Z","references":["https://osv.dev/vulnerability/GHSA-fcx8-ph5r-mxr4","https://github.com/flightphp/core/security/advisories/GHSA-fcx8-ph5r-mxr4","https://nvd.nist.gov/vuln/detail/CVE-2026-42548","https://github.com/flightphp/core"],"severity":{"label":"high"},"sources":[{"source":"osv","source_id":"GHSA-fcx8-ph5r-mxr4","url":"https://osv.dev/vulnerability/GHSA-fcx8-ph5r-mxr4"}],"summary":"Flight has reflected XSS through an unvalidated JSONP callback in Flight::jsonp()"}