{"action":"Upgrade next to 15.5.16 or later.","affected":[{"fixed":"15.5.16","introduced":"13.4.6"},{"fixed":"16.2.5","introduced":"16.0.0"}],"component":"next","cve_ids":["CVE-2026-44582"],"ecosystem":"npm","epss":0.00215,"exploited":false,"fixed_versions":["15.5.16","16.2.5"],"ghsa_id":"GHSA-vfv6-92ff-j949","id":"tcs_01M5KGBRF967EK6B3KWR0KAK5C","modified_at":"2026-09-10T03:50:47.660786493Z","published_at":"2026-05-11T15:56:48Z","references":["https://osv.dev/vulnerability/GHSA-vfv6-92ff-j949","https://github.com/vercel/next.js/security/advisories/GHSA-vfv6-92ff-j949","https://nvd.nist.gov/vuln/detail/CVE-2026-44582","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":"low","score":3.7},"sources":[{"source":"osv","source_id":"GHSA-vfv6-92ff-j949","url":"https://osv.dev/vulnerability/GHSA-vfv6-92ff-j949"}],"summary":"Next.js vulnerable to cache poisoning via collisions in React Server Component cache-busting"}