Vulnerability GHSA-p3m5-59mp-jv5r
High Risk
HIGH RISK
CVSS Score: 8.0
Score Range: 7.0–8.9
High severity vulnerabilities (CVSS 7.0–8.9). Serious vulnerabilities that should be prioritized soon after critical fixes.
12 days ago
October 22, 2026 at 03:50 PM UTC
Next.js: Denial of Service in App Router using Server Actions
13.0.0 - 15.5.27 and 16.0.0 - 16.4.0
13.0.0 - 15.5.27 and 16.0.0 - 16.4.0
Summary
Next.js: Denial of Service in App Router using Server Actions
Details
Impact
Crafted requests targeting Next.js applications using App Router with at least one Server Action can lead to excessive CPU usage blocking processing of further requests in the same process.
Workarounds
No workaround exists besides upgrading. Applications using Pages Router or not using Server Actions are not vulnerable.
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
Critical
12 days ago
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 GHSA-2464-fhr4-w9xw
10.0.0 - 15.5.27 and 16.0.0 - 16.4.0 GHSA-2464-fhr4-w9xw
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 03:50 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