Next.js out-of-band release fixes two unauthenticated RCEs (SVG image optimization CVE-2026-96889, use cache) ยท updates https://pwn.watch/i/nextjs-october-2026-rce-security-release On Oct 14 2026 Vercel shipped Next.js 16.4.1 and 15.5.28 with two critical unauthenticated remote code execution fixes held back from the September release: CVE-2026-96889 / GHSA-2464-fhr4-w9xw, a use-after-free in librsvg (via sharp) reachable through the Image Optimization API when SVGs are processed on glibc-based Linux, and GHSA-673q-mjm6-r5xr, RCE in App Router apps with Cache Components when a `use cache` function returns multiple typed arrays. A high-severity Server Actions DoS (GHSA-p3m5-59mp-jv5r) is fixed too. GitHub added the SVG advisory to its global database on Oct 22. No known exploitation. en Thu, 22 Oct 2026 00:00:00 GMT Next.js out-of-band release fixes two unauthenticated RCEs (SVG image optimization CVE-2026-96889, use cache): GitHub publishes GHSA-2464-fhr4-w9xw to the global Advisory Database (critical), so Dependabot and npm audit start flagging affected next versions. https://pwn.watch/i/nextjs-october-2026-rce-security-release https://pwn.watch/i/nextjs-october-2026-rce-security-release#2026-10-22-24352cc8 Thu, 22 Oct 2026 00:00:00 GMT critical <p><a href="https://github.com/advisories/GHSA-2464-fhr4-w9xw">Source</a></p> Next.js out-of-band release fixes two unauthenticated RCEs (SVG image optimization CVE-2026-96889, use cache): Vercel releases Next.js 16.4.1 and 15.5.28 as an out-of-band security update: two critical unauthenticated RCEs (SVG Image Optimization, `use cache` typed arrays) and a high-severity Server Actions DoS. No workaround for the `use cache` bug; upgrade even if you don't use those features. https://pwn.watch/i/nextjs-october-2026-rce-security-release https://pwn.watch/i/nextjs-october-2026-rce-security-release#2026-10-14-720a17d6 Wed, 14 Oct 2026 00:00:00 GMT critical <p><a href="https://nextjs.org/blog/nextjs-security-update-october-14-2026">Source</a></p> Next.js out-of-band release fixes two unauthenticated RCEs (SVG image optimization CVE-2026-96889, use cache): Netlify: the SVG flaw is also reachable through `next/og` ImageResponse; on Netlify the next/image path runs on its Image CDN, and impact there is a crashed function, not code execution. https://pwn.watch/i/nextjs-october-2026-rce-security-release https://pwn.watch/i/nextjs-october-2026-rce-security-release#2026-10-14-98a0ec0d Wed, 14 Oct 2026 00:00:00 GMT critical <p><a href="https://www.netlify.com/changelog/2026-10-14-nextjs-react-security-vulnerabilities/">Source</a></p> Next.js out-of-band release fixes two unauthenticated RCEs (SVG image optimization CVE-2026-96889, use cache): sharp 0.35.5 ships with librsvg 2.63.2; sharp's advisory GHSA-wq5f-xc86-pv6w later covers CVE-2026-96889 (use-after-free in librsvg). https://pwn.watch/i/nextjs-october-2026-rce-security-release https://pwn.watch/i/nextjs-october-2026-rce-security-release#2026-09-27-1124d2b0 Sun, 27 Sep 2026 00:00:00 GMT critical <p><a href="https://github.com/advisories/GHSA-wq5f-xc86-pv6w">Source</a></p>