chore(deps): update next to ^16.2.3 [SECURITY]#76
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Addresses GHSA-q4gf-8mx6-v5v3 (CVE-2026-23869): a specially crafted HTTP request to an App Router Server Function endpoint can trigger excessive CPU usage via React Server Components deserialization, causing denial of service. Fixed in Next.js 16.2.3. Supersedes #69. Only the docs app uses Next; storybook and library packages are unaffected. Fumadocs compatibility verified: fumadocs-core@16.6.17 and fumadocs-ui@16.6.17 declare peer next: "16.x.x"; fumadocs-mdx@14.2.10 declares peer next: "^15.3.0 || ^16.0.0". All satisfied by 16.2.3, no fumadocs bump required. Validated: apps/docs next build succeeds on 16.2.3 (75 static pages, TypeScript passes).
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Closing — folding the security fix into #75. See updated PR description there. |
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Summary
Patches Next.js to 16.2.3 to remediate GHSA-q4gf-8mx6-v5v3 / CVE-2026-23869. A crafted HTTP request to any App Router Server Function endpoint can trigger excessive CPU use during React Server Components deserialization, causing DoS.
Supersedes #69. Narrower diff because only
apps/docsuses Next — the library packages and storybook don't.Fumadocs compatibility
Verified against current installation (
fumadocs-core,fumadocs-ui@ 16.6.17,fumadocs-mdx@ 14.2.10):fumadocs-core@16.6.1716.x.xfumadocs-ui@16.6.1716.x.xfumadocs-mdx@14.2.10^15.3.0 || ^16.0.0No fumadocs bump required for the CVE fix. Latest is
fumadocs-*@16.7.14— left for a future Renovate PR since it's unrelated to the security issue.Test plan
pnpm install— clean resolution, next resolves to 16.2.3 across all importers (fumadocs-core/mdx/ui, nuqs)pnpm --filter @repo/docs build— succeeds, 75 static pages, TypeScript passesAfter merge
Close #69.