{
  "site": "https://pwn.watch",
  "generatedAt": "2026-10-22T18:10:31.291Z",
  "tag": {
    "id": "sharp",
    "label": "sharp",
    "isStack": false,
    "url": "https://pwn.watch/t/sharp",
    "feed": "https://pwn.watch/t/sharp/feed.xml"
  },
  "counts": {
    "incidents": 1,
    "live": 1,
    "notFullyPatched": 0,
    "patched": 1
  },
  "incidents": [
    {
      "slug": "nextjs-october-2026-rce-security-release",
      "title": "Next.js out-of-band release fixes two unauthenticated RCEs (SVG image optimization CVE-2026-96889, use cache)",
      "url": "https://pwn.watch/i/nextjs-october-2026-rce-security-release",
      "json": "https://pwn.watch/i/nextjs-october-2026-rce-security-release.json",
      "status": "live",
      "severity": "critical",
      "patchStatus": "patched",
      "product": "Next.js (next on npm), sharp / librsvg",
      "tags": [
        "node",
        "npm",
        "nextjs",
        "vercel",
        "sharp",
        "rce"
      ],
      "cveIds": [
        "CVE-2026-96889"
      ],
      "affectedVersions": [
        "next >= 10.0.0, <= 15.5.27 (Image Optimization SVG RCE, CVE-2026-96889)",
        "next >= 16.0.0, <= 16.4.0",
        "sharp < 0.35.5 (bundles vulnerable librsvg)"
      ],
      "fixedVersions": [
        "next 15.5.28",
        "next 16.4.1",
        "sharp 0.35.5 (librsvg 2.63.2)"
      ],
      "startedAt": "2026-10-14",
      "closedAt": null,
      "updatedAt": "2026-10-22T20:01:57+02:00",
      "summary": "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.",
      "xPost": null
    }
  ],
  "posts": [
    {
      "authorName": "The Hacker News",
      "handle": "TheHackersNews",
      "avatarUrl": "https://pbs.twimg.com/profile_images/1597647879811657728/FLgHrLHy_bigger.jpg",
      "text": "‼️ ALERT  - Next.js just shipped an out-of-band security update for TWO critical unauthenticated RCE flaws (both CVSS 9.5) + a high-severity DoS.\n\nRCEs: RSC use cache (GHSA-673q-mjm6-r5xr) and librsvg via sharp (CVE-2026-96889).\n\n🔗 Read - https://t.co/ndnN46ysGv",
      "date": "2026-10-15T12:35:50.000Z",
      "url": "https://x.com/TheHackersNews/status/2110711243942330566",
      "media": [],
      "incident": "nextjs-october-2026-rce-security-release"
    },
    {
      "authorName": "ThreatWire",
      "handle": "ThreatWire_",
      "avatarUrl": "https://pbs.twimg.com/profile_images/2074748840775688192/LvaBIlOK_bigger.jpg",
      "text": "🚨 CRITICAL: CVE-2026-96889 — Next.js Image Optimization RCE via SVG (librsvg/sharp)\n\nScore 9.5 (CVSS 4.0, Next.js advisory). Unauthenticated. Glibc Linux.\nAffects Next.js 10.0.0–15.5.27 and 16.0.0–16.4.0.\nFixed in 15.5.28 and 16.4.1. Check npm ls sharp → 0.35.5+.\nNot in CISA",
      "date": "2026-10-15T05:37:11.000Z",
      "url": "https://x.com/ThreatWire_/status/2110605887907713139",
      "media": [],
      "incident": "nextjs-october-2026-rce-security-release"
    }
  ],
  "changes": [
    {
      "incident": "nextjs-october-2026-rce-security-release",
      "incidentTitle": "Next.js out-of-band release fixes two unauthenticated RCEs (SVG image optimization CVE-2026-96889, use cache)",
      "severity": "critical",
      "status": "live",
      "patchStatus": "patched",
      "date": "2026-10-22",
      "title": "GitHub publishes GHSA-2464-fhr4-w9xw to the global Advisory Database (critical), so Dependabot and npm audit start flagging affected next versions.",
      "body": null,
      "sourceUrl": "https://github.com/advisories/GHSA-2464-fhr4-w9xw",
      "url": "https://pwn.watch/i/nextjs-october-2026-rce-security-release"
    },
    {
      "incident": "nextjs-october-2026-rce-security-release",
      "incidentTitle": "Next.js out-of-band release fixes two unauthenticated RCEs (SVG image optimization CVE-2026-96889, use cache)",
      "severity": "critical",
      "status": "live",
      "patchStatus": "patched",
      "date": "2026-10-14",
      "title": "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.",
      "body": null,
      "sourceUrl": "https://nextjs.org/blog/nextjs-security-update-october-14-2026",
      "url": "https://pwn.watch/i/nextjs-october-2026-rce-security-release"
    },
    {
      "incident": "nextjs-october-2026-rce-security-release",
      "incidentTitle": "Next.js out-of-band release fixes two unauthenticated RCEs (SVG image optimization CVE-2026-96889, use cache)",
      "severity": "critical",
      "status": "live",
      "patchStatus": "patched",
      "date": "2026-10-14",
      "title": "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.",
      "body": null,
      "sourceUrl": "https://www.netlify.com/changelog/2026-10-14-nextjs-react-security-vulnerabilities/",
      "url": "https://pwn.watch/i/nextjs-october-2026-rce-security-release"
    },
    {
      "incident": "nextjs-october-2026-rce-security-release",
      "incidentTitle": "Next.js out-of-band release fixes two unauthenticated RCEs (SVG image optimization CVE-2026-96889, use cache)",
      "severity": "critical",
      "status": "live",
      "patchStatus": "patched",
      "date": "2026-09-27",
      "title": "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).",
      "body": null,
      "sourceUrl": "https://github.com/advisories/GHSA-wq5f-xc86-pv6w",
      "url": "https://pwn.watch/i/nextjs-october-2026-rce-security-release"
    }
  ]
}