{"action":"Upgrade next to 15.5.16 or later.","affected":[{"fixed":"15.5.16","introduced":"14.2.0"},{"fixed":"16.2.5","introduced":"16.0.0"}],"component":"next","cve_ids":["CVE-2026-44576"],"ecosystem":"npm","epss":0.00295,"exploited":false,"fixed_versions":["15.5.16","16.2.5"],"ghsa_id":"GHSA-wfc6-r584-vfw7","id":"tcs_01M5KGEW993KJ9AQAVYKQGYHER","modified_at":"2026-09-10T03:50:47.913886310Z","published_at":"2026-05-11T15:54:46Z","references":["https://osv.dev/vulnerability/GHSA-wfc6-r584-vfw7","https://github.com/vercel/next.js/security/advisories/GHSA-wfc6-r584-vfw7","https://nvd.nist.gov/vuln/detail/CVE-2026-44576","https://github.com/vercel/next.js","https://github.com/vercel/next.js/releases/tag/v15.5.16","https://github.com/vercel/next.js/releases/tag/v16.2.5"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"GHSA-wfc6-r584-vfw7","url":"https://osv.dev/vulnerability/GHSA-wfc6-r584-vfw7"}],"summary":"Next.js vulnerable to cache poisoning in React Server Component responses"}