{"schema":"threatline.record/2","record":{"id":"GHSA-673q-mjm6-r5xr","aliases":["GHSA-673q-mjm6-r5xr"],"summary":"Unauthenticated Remote Code Execution in `use cache` functions returning typed arrays","details":"## Impact\r\n\r\nA vulnerability in applications using App router with Cache Component can lead to remote code execution. The application needs to have a `use cache` function that returns multiple typed arrays.\r\n\r\n## Workaround\r\n\r\nThere is no known workaround for affected applications with such `use cache` functions. You should upgrade immediately even if your application does not have similar functions.","categories":["Frameworks"],"product":"next","vendor":"","ecosystem":"npm","affected_ranges":[{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-673q-mjm6-r5xr","source_modified_at":"2026-10-22T16:42:32Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"npm","name":"next"},"range":">= 16.0.0, <= 16.4.0"},{"source":"GitHub Advisory Database","source_url":"https://github.com/vercel/next.js/security/advisories/GHSA-673q-mjm6-r5xr","source_modified_at":"2026-10-14T17:47:07Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"npm","name":"next"},"range":">=16.0.0 <= 16.4.0"},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-673q-mjm6-r5xr","source_modified_at":"2026-10-22T17:00:04.201859111Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"next","ecosystem":"npm","purl":"pkg:npm/next"},"ranges":[{"type":"SEMVER","events":[{"introduced":"16.0.0"},{"fixed":"16.4.1"}]}],"versions":[]}],"fixed_versions":[{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-673q-mjm6-r5xr","source_modified_at":"2026-10-22T16:42:32Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"npm","name":"next"},"version":"16.4.1"},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-673q-mjm6-r5xr","source_modified_at":"2026-10-22T17:00:04.201859111Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"next","ecosystem":"npm","purl":"pkg:npm/next"},"version":"16.4.1"}],"cvss":9.5,"severity":"Critical","kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-22T16:42:31Z","modified_at":"2026-10-22T17:00:04.201859111Z","provenance":[{"source":"GitHub Advisory Database","url":"https://github.com/advisories/GHSA-673q-mjm6-r5xr","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-22T16:42:32Z"},{"source":"GitHub Advisory Database","url":"https://github.com/vercel/next.js/security/advisories/GHSA-673q-mjm6-r5xr","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-14T17:47:07Z"},{"source":"OSV","url":"https://osv.dev/vulnerability/GHSA-673q-mjm6-r5xr","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-22T17:00:04.201859111Z"}],"sources":["GitHub Advisory Database","OSV"],"references":[{"url":"https://github.com/vercel/next.js/security/advisories/GHSA-673q-mjm6-r5xr","source":"GitHub Advisory Database"},{"url":"https://github.com/vercel/next.js/commit/a4cea6aec5da89d116b8960e113189cf51745d2f","source":"GitHub Advisory Database"},{"url":"https://github.com/vercel/next.js/releases/tag/v16.4.1","source":"GitHub Advisory Database"},{"url":"https://github.com/advisories/GHSA-673q-mjm6-r5xr","source":"GitHub Advisory Database"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-22T17:00:04.201859111Z","content_hash":"2b3f500cbf1997c14fef14706d044b4f7b0123c1136f77c81361a29e3082a673"}}