{"action":"Upgrade react-server-dom-parcel to 19.0.6 or later.","affected":[{"fixed":"19.0.6","introduced":"19.0.0"},{"fixed":"19.1.7","introduced":"19.1.0"},{"fixed":"19.2.6","introduced":"19.2.0"}],"component":"react-server-dom-parcel","cve_ids":["CVE-2026-23870"],"ecosystem":"npm","epss":0.01533,"exploited":false,"fixed_versions":["19.0.6","19.1.7","19.2.6"],"ghsa_id":"GHSA-rv78-f8rc-xrxh","id":"tcs_01M5KG9WPKB23JC6YP1K5WVQW6","modified_at":"2026-05-11T15:11:34.985907Z","published_at":"2026-05-11T14:50:07Z","references":["https://osv.dev/vulnerability/GHSA-rv78-f8rc-xrxh","https://github.com/facebook/react/security/advisories/GHSA-rv78-f8rc-xrxh","https://github.com/vercel/next.js/security/advisories/GHSA-8h8q-6873-q5fj","https://github.com/vitejs/vite-plugin-react/security/advisories/GHSA-w94c-4vhp-22gx","https://nvd.nist.gov/vuln/detail/CVE-2026-23870","https://github.com/facebook/react"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-rv78-f8rc-xrxh","url":"https://osv.dev/vulnerability/GHSA-rv78-f8rc-xrxh"}],"summary":"Facebook React has a Denial of Service Vulnerability in React Server Components"}