Summary
Next.js: Unauthenticated Remote Code Execution in Image Optimization API when SVG files are used
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.
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.
Affected versions
Security releases
Kodem intelligence
Severity tells you how bad this could be in the worst case. It does not tell you whether you are exposed. Exploitability and impact are functions of runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A vulnerable package can sit in your dependency tree and never run.
Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter. Kodem's runtime-powered SCA identifies whether this CVE is reachable in your applications.
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next to 15.5.28 or later; next to 16.4.1 or later
Kodem Kai can prioritize this vulnerability in your dependency tree and generate a fix recommendation.
Frequently Asked Questions
- What is GHSA-2464-FHR4-W9XW? GHSA-2464-FHR4-W9XW is a critical-severity security vulnerability in next (npm), affecting versions >= 10.0.0, <= 15.5.27. It is fixed in 15.5.28, 16.4.1.
- Which versions of next are affected by GHSA-2464-FHR4-W9XW? next (npm) versions >= 10.0.0, <= 15.5.27 is affected.
- Is there a fix for GHSA-2464-FHR4-W9XW? Yes. GHSA-2464-FHR4-W9XW is fixed in 15.5.28, 16.4.1. Upgrade to this version or later.
- Is GHSA-2464-FHR4-W9XW exploitable, and should I be worried? Whether GHSA-2464-FHR4-W9XW is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk. Get a demo
- What actually determines whether GHSA-2464-FHR4-W9XW is exploitable, and how bad it is? Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.
- How do I fix GHSA-2464-FHR4-W9XW?
- Upgrade
nextto 15.5.28 or later - Upgrade
nextto 16.4.1 or later
- Upgrade