What is CVE-2025-59472?

CVE-2025-59472 is a medium-severity vulnerability in Vercel Next, classified under Uncontrolled Resource Consumption. CVSS score: 5.9/10. Published 2026-01-26.

How severe is CVE-2025-59472?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Resource exhaustion in Vercel Next

CVE-2025-59472

A denial of service vulnerability exists in Next.js versions with Partial Prerendering (PPR) enabled when running in minimal mode. The PPR resume endpoint accepts unauthenticated POST requests with the `Next-Resume: 1` header and processes…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.004 (28.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Vercel Next — versions 15.0.0-canary.0, 15.0.1-canary.0, 15.0.2-canary.0
Vercel Next.js — versions 15.6.0

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

support@hackerone.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-59472?: CVE-2025-59472 is a medium-severity vulnerability in Vercel Next, classified under Uncontrolled Resource Consumption. CVSS score: 5.9/10. Published 2026-01-26.
How severe is CVE-2025-59472?: Medium severity. CVSS v3 base score is 5.9 out of 10.