Vulnerability GHSA-2464-fhr4-w9xw

Critical
CRITICAL RISK
CVSS Score: 9.5
Score Range: 9.0–10.0
Critical severity vulnerabilities (CVSS 9.0–10.0). These represent the highest impact issues.
12 days ago
October 22, 2026 at 03:52 PM UTC
Next.js: Unauthenticated Remote Code Execution in Image Optimization API when SVG files are used
10.0.0 - 15.5.27 and 16.0.0 - 16.4.0
10.0.0 - 15.5.27 and 16.0.0 - 16.4.0

Summary

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

Details

Impact

A memory-related vulnerability has been discovered in an upstream library used for Image Optimization can lead to possible remote code execution (RCE) when Next.js runs on glibc-based Linux.

Workaround

Ensure the version of sharp used by Next.js is greater than or equal to 0.35.5. Fresh installs automatically get a fixed version of sharp. Upgrading Next.js to the patched versions will ensure package managers automatically provide a fixed version of sharp to Next.js.

Impacted packages

Timeline

Published
12 days ago
October 22, 2026 at 03:52 PM UTC
Fixed (15.5.28)
20 days ago
October 14, 2026 at 05:36 PM UTC
Fixed (16.4.1)
Unknown
Unknown
Last Modified
12 days ago
October 22, 2026 at 04:00 PM UTC