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.
Related Vulnerabilities
Other vulnerabilities affecting the same packages
Critical
12 days ago
Next.js: Unauthenticated Remote Code Execution in `use cache` functions returning typed arrays
16.0.0 - 16.4.0 GHSA-673q-mjm6-r5xr
16.0.0 - 16.4.0 GHSA-673q-mjm6-r5xr
Medium Risk
12 days ago
next.js cache leak across root param values in nested 'use cache' functions
16.3.0 - 16.3.7 GHSA-h694-7cp9-m8p3
16.3.0 - 16.3.7 GHSA-h694-7cp9-m8p3
High Risk
12 days ago
Next.js: Denial of Service in App Router using Server Actions
13.0.0 - 15.5.27 and 16.0.0 - 16.4.0 GHSA-p3m5-59mp-jv5r
13.0.0 - 15.5.27 and 16.0.0 - 16.4.0 GHSA-p3m5-59mp-jv5r
Medium Risk
27 days ago
Next.js: Pending `use cache` fill can leak Draft Mode content into regular responses and persisted pages
16.3.0 - 16.3.7 GHSA-3w37-wq28-93x7
16.3.0 - 16.3.7 GHSA-3w37-wq28-93x7
Medium Risk
27 days ago
Next.js has cache poisoning of SSG and ISR pages in self-hosted applications
15.0.0 - 15.5.26 and 16.0.0 - 16.3.7 GHSA-4jqv-mc3x-m676
15.0.0 - 15.5.26 and 16.0.0 - 16.3.7 GHSA-4jqv-mc3x-m676
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