CVE-2026-27980: Next.js: Unbounded next/image disk cache growth can exhaust storage

March 17, 2026 (updated March 19, 2026)

The default Next.js image optimization disk cache (/_next/image) did not have a configurable upper bound, allowing unbounded cache growth.

References

github.com/advisories/GHSA-3x4c-7xq6-9pq8
github.com/vercel/next.js
github.com/vercel/next.js/commit/39eb8e0ac498b48855a0430fbf4c22276a73b4bd
github.com/vercel/next.js/releases/tag/v16.1.7
github.com/vercel/next.js/security/advisories/GHSA-3x4c-7xq6-9pq8
nvd.nist.gov/vuln/detail/CVE-2026-27980

Code Behaviors & Features

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