{"action":"Upgrade @koa/cors to 5.0.0 or later.","affected":[{"fixed":"5.0.0","introduced":"0"}],"component":"@koa/cors","cve_ids":["CVE-2023-49803"],"ecosystem":"npm","epss":0.00279,"exploited":false,"fixed_versions":["5.0.0"],"ghsa_id":"GHSA-qxrj-hx23-xp82","id":"tcs_01M5KG7HS4GHG0G47EN2QPJ3AK","modified_at":"2026-09-10T03:50:04.649565369Z","published_at":"2023-12-11T21:46:21Z","references":["https://osv.dev/vulnerability/GHSA-qxrj-hx23-xp82","https://github.com/koajs/cors/security/advisories/GHSA-qxrj-hx23-xp82","https://nvd.nist.gov/vuln/detail/CVE-2023-49803","https://github.com/koajs/cors/commit/f31dac99f5355c41e7d4dd3c4a80c5f154941a11","https://github.com/koajs/cors"],"severity":{"label":"high","score":8.6},"sources":[{"source":"osv","source_id":"GHSA-qxrj-hx23-xp82","url":"https://osv.dev/vulnerability/GHSA-qxrj-hx23-xp82"}],"summary":"Overly permissive origin policy"}