StackPrism

npm package

next 14.2.0 vulnerabilities, and the version that fixes all of them

next 14.2.0 has 35 known vulnerabilities (15 rated high or critical); 15.5.24 fixes all of them. 15.5.24 has 2 known vulnerabilities of its own, so upgrade to 16.4.2, which has none. Next.js 14 reached end of life on Oct 26, 2025 and gets no more security fixes. Move to Next.js 16 (LTS). The maintainers deprecated this release.

npm (opens in a new tab) describes it as “The React Framework”

Known vulnerabilities
35
15 rated high or critical
Released
Apr 11, 2024
Latest is 16.4.2
Downloads last week
25.7K
Under 1% of next downloads
Next.js 14 support
End of life
Since Oct 26, 2025
Licence
MIT
OpenSSF Scorecard
6.2/10
vercel/next.js (opens in a new tab)
Pulls in
23 packages
Resolved by deps.dev
Status
Deprecated release

What to upgrade to

16.4.2 is the closest release with no known vulnerabilities that we checked.

  • 14.2.35

    Newest 14.x release. Released Dec 11, 2025.

    23 known vulnerabilities, worst rated warning

  • 15.5.24

    Fixes all 35 known vulnerabilities. Released Aug 25, 2026.

    2 known vulnerabilities, worst rated warning

  • 16.4.2Upgrade to this

    Latest release. Released Oct 15, 2026.

    No known vulnerabilities

16.4.2 came out on Oct 15, 2026. A coding agent trained before then doesn’t know it exists, so it may suggest an older release. AI knowledge cutoff dates

Hand the fix to your coding agent

One task with the upgrade, the file to change and why. Paste it into Claude Code, Cursor or Codex.

Findings

Every advisory for next 14.2.0

Known exploited first (CISA KEV), then by how likely they are to be exploited (FIRST EPSS), then by severity. Each id links to its OSV.dev record.

  1. CriticalCVE-2025-29927 on OSV.dev (opens in a new tab)GHSA-f82v-jwr5-mffwEPSS: top 1%

    Authorization Bypass in Next.js Middleware

    Fixed in 14.2.25. Published Mar 21, 2025.

  2. CriticalCVE-2024-46982 on OSV.dev (opens in a new tab)GHSA-gp8f-8m3g-qvj9EPSS: top 1%

    Next.js Cache Poisoning

    Fixed in 14.2.10. Published Sep 17, 2024.

  3. CriticalGHSA-5j59-xgg2-r9c4 on OSV.dev (opens in a new tab)EPSS: top 3%

    Next has a Denial of Service with Server Components - Incomplete Fix Follow-Up

    Fixed in 14.2.35. Published Dec 12, 2025.

  4. CriticalCVE-2024-51479 on OSV.dev (opens in a new tab)GHSA-7gfc-8cq8-jh5fEPSS: top 10%

    Next.js authorization bypass vulnerability

    Fixed in 14.2.15. Published Dec 17, 2024.

  5. WarningCVE-2025-57822 on OSV.dev (opens in a new tab)GHSA-4342-x723-ch2fEPSS: top 16%

    Next.js Improper Middleware Redirect Handling Leads to SSRF

    Fixed in 14.2.32. Published Aug 29, 2025.

  6. CriticalGHSA-h25m-26qc-wcjf on OSV.dev (opens in a new tab)EPSS: top 16%

    Next.js HTTP request deserialization can lead to DoS when using insecure React Server Components

    Fixed in 15.0.8. Published Jan 28, 2026.

  7. CriticalCVE-2026-75604 on OSV.dev (opens in a new tab)GHSA-p293-qw3h-jr36EPSS: top 19%

    Next.js: Unauthenticated Remote Code Execution on windows-hosted servers

    Fixed in 15.5.24. Published Sep 8, 2026.

  8. CriticalCVE-2026-44578 on OSV.dev (opens in a new tab)GHSA-c4j6-fc7j-m34rEPSS: top 21%

    Next.js vulnerable to server-side request forgery in applications using WebSocket upgrades

    Fixed in 15.5.16. Published May 11, 2026.

  9. CriticalGHSA-8h8q-6873-q5fj on OSV.dev (opens in a new tab)EPSS: top 26%

    Next.js Vulnerable to Denial of Service with Server Components

    Fixed in 15.5.16. Published May 11, 2026.

  10. WarningCVE-2026-44577 on OSV.dev (opens in a new tab)GHSA-h64f-5h5j-jqjhEPSS: top 40%

    Next.js has a Denial of Service in the Image Optimization API

    Fixed in 15.5.16. Published May 11, 2026.

  11. WarningCVE-2026-27980 on OSV.dev (opens in a new tab)GHSA-3x4c-7xq6-9pq8EPSS: top 42%

    Next.js: Unbounded next/image disk cache growth can exhaust storage

    Fixed in 15.5.14. Published Mar 17, 2026.

  12. CriticalCVE-2026-64641 on OSV.dev (opens in a new tab)GHSA-m99w-x7hq-7vfjEPSS: top 43%

    Next.js: Denial of Service in App Router using Server Actions

    Fixed in 15.5.21. Published Jul 22, 2026.

  13. LowCVE-2025-32421 on OSV.dev (opens in a new tab)GHSA-qpjv-v59x-3qc4EPSS: top 45%

    Next.js Race Condition to Cache Poisoning

    Fixed in 14.2.24. Published May 15, 2025.

  14. WarningCVE-2024-56332 on OSV.dev (opens in a new tab)GHSA-7m27-7ghc-44w9EPSS: top 45%

    Next.js Allows a Denial of Service (DoS) with Server Actions

    Fixed in 14.2.21. Published Jan 3, 2025.

  15. CriticalCVE-2026-44573 on OSV.dev (opens in a new tab)GHSA-36qx-fr4f-26g5EPSS: top 46%

    Next.js has a Middleware / Proxy bypass in Pages Router applications using i18n

    Fixed in 15.5.16. Published May 11, 2026.

  16. WarningCVE-2024-47831 on OSV.dev (opens in a new tab)GHSA-g77x-44xx-532mEPSS: top 47%

    Denial of Service condition in Next.js image optimization

    Fixed in 14.2.7. Published Oct 14, 2024.

  17. WarningCVE-2025-55173 on OSV.dev (opens in a new tab)GHSA-xv57-4mr9-wg8vEPSS: top 53%

    Next.js Content Injection Vulnerability for Image Optimization

    Fixed in 14.2.31. Published Aug 29, 2025.

  18. WarningCVE-2026-29057 on OSV.dev (opens in a new tab)GHSA-ggv3-7p47-pfv8EPSS: top 56%

    Next.js: HTTP request smuggling in rewrites

    Fixed in 15.5.13. Published Mar 17, 2026.

  19. WarningCVE-2026-64646 on OSV.dev (opens in a new tab)GHSA-4c39-4ccg-62r3EPSS: top 57%

    Next.js: Unbounded Server Action payload in Edge runtime

    Fixed in 15.5.21. Published Jul 22, 2026.

  20. WarningCVE-2026-64643 on OSV.dev (opens in a new tab)GHSA-955p-x3mx-jcvpEPSS: top 58%

    Next.js: Unauthenticated disclosure of internal Server Function endpoints

    Fixed in 15.5.21. Published Jul 22, 2026.

  21. WarningCVE-2025-59471 on OSV.dev (opens in a new tab)GHSA-9g9p-9gw9-jx7fEPSS: top 59%

    Next.js self-hosted applications vulnerable to DoS via Image Optimizer remotePatterns configuration

    Fixed in 15.5.10. Published Jan 27, 2026.

  22. CriticalCVE-2026-64649 on OSV.dev (opens in a new tab)GHSA-89xv-2m56-2m9xEPSS: top 62%

    Next.js: Server-Side Request Forgery in Server Actions on custom servers

    Fixed in 15.5.21. Published Jul 22, 2026.

  23. CriticalCVE-2026-64645 on OSV.dev (opens in a new tab)GHSA-p9j2-gv94-2wf4EPSS: top 66%

    Next.js: Server-Side Request Forgery in rewrites via attacker-controlled destination hostname

    Fixed in 15.5.21. Published Jul 22, 2026.

  24. WarningCVE-2025-57752 on OSV.dev (opens in a new tab)GHSA-g5qg-72qw-gw5vEPSS: top 74%

    Next.js Affected by Cache Key Confusion for Image Optimization API Routes

    Fixed in 14.2.31. Published Aug 29, 2025.

  25. WarningCVE-2026-64648 on OSV.dev (opens in a new tab)GHSA-68g3-v927-f742EPSS: top 75%

    Next.js: Cache confusion of response bodies for requests with bodies

    Fixed in 15.5.21. Published Jul 22, 2026.

  26. WarningCVE-2026-64647 on OSV.dev (opens in a new tab)GHSA-4633-3j49-mh5qEPSS: top 77%

    Next.js: Cache confusion of response bodies for requests with bodies containing invalid UTF-8 byte sequences

    Fixed in 15.5.21. Published Jul 22, 2026.

  27. WarningCVE-2026-44576 on OSV.dev (opens in a new tab)GHSA-wfc6-r584-vfw7EPSS: top 79%

    Next.js vulnerable to cache poisoning in React Server Component responses

    Fixed in 15.5.16. Published May 11, 2026.

  28. WarningCVE-2026-44580 on OSV.dev (opens in a new tab)GHSA-gx5p-jg67-6x7hEPSS: top 85%

    Next.js has cross-site scripting in beforeInteractive scripts with untrusted input

    Fixed in 15.5.16. Published May 11, 2026.

  29. WarningCVE-2026-44581 on OSV.dev (opens in a new tab)GHSA-ffhc-5mcf-pf4qEPSS: top 86%

    Next.js vulnerable to cross-site scripting in App Router applications using CSP nonces

    Fixed in 15.5.16. Published May 11, 2026.

  30. LowCVE-2026-44572 on OSV.dev (opens in a new tab)GHSA-3g8h-86w9-wvmqEPSS: top 91%

    Next.js's Middleware / Proxy redirects can be cache-poisoned

    Fixed in 15.5.16. Published May 11, 2026.

  31. LowCVE-2025-48068 on OSV.dev (opens in a new tab)GHSA-3h52-269p-cp9rEPSS: top 92%

    Information exposure in Next.js dev server due to lack of origin verification

    Fixed in 14.2.30. Published May 28, 2025.

  32. LowCVE-2026-44582 on OSV.dev (opens in a new tab)GHSA-vfv6-92ff-j949EPSS: top 94%

    Next.js vulnerable to cache poisoning via collisions in React Server Component cache-busting

    Fixed in 15.5.16. Published May 11, 2026.

  33. CriticalGHSA-2xp9-vwfh-vxw4 on OSV.dev (opens in a new tab)

    Next.js: Unauthenticated Remote Code Execution in Image Optimization API when AVIF files are used

    Fixed in 15.5.24. Published Sep 8, 2026.

  34. CriticalGHSA-q4gf-8mx6-v5v3 on OSV.dev (opens in a new tab)

    Next.js has a Denial of Service with Server Components

    Fixed in 15.5.15. Published Apr 10, 2026.

  35. CriticalGHSA-mwv6-3258-q52c on OSV.dev (opens in a new tab)

    Next Vulnerable to Denial of Service with Server Components

    Fixed in 14.2.34. Published Dec 11, 2025.

Who is still on a vulnerable next

67% of last week’s 67.5M next downloads went to versions with known vulnerabilities.

From npm’s per-version download counts for the last 7 days, each version checked against OSV.dev. The versions checked cover over 99% of downloads.

Is next the only one?

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Check your whole repo

How this page is checked

StackPrism asks OSV.dev which advisories affect exactly next 14.2.0, merges duplicates filed under several ids, and ranks them with CISA’s Known Exploited Vulnerabilities list and FIRST EPSS. Release dates and deprecation come from deps.dev and npm, support dates from endoflife.date. No AI writes this page: every sentence comes from that data, refreshed every few hours.

Last checked against npm, OSV.dev, deps.dev, CISA KEV, FIRST EPSS and endoflife.date.