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CVE-2026-75604 — Vulnerability in next — CVE Details

CRITICAL

Next.js: Unauthenticated Remote Code Execution on windows-hosted servers

Published September 8, 2026Updated September 8, 2026Source: osv

Summary

## Impact A vulnerability in applications using Pages and App router without Cache Component can lead to remote code execution when the server is hosted on machines using a Windows filesystem. ## Workaround There is no known workaround for affected windows-hosted applications. You should upgrade immediately if your server is hosted on Windows.

Advisory Timeline

  • First published September 8, 2026 (34 days ago).
  • Last revised September 8, 2026 — 0 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

npm
Update next to 15.5.24 or later
npm install next@15.5.24
npm
Update next to 16.3.3 or later
npm install next@16.3.3

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (2)

Affects 1 ecosystem: npm (1).

PackageEcosystemAffectedFixed In
next
npm
All versions15.5.24
next
npm
All versions16.3.3

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.0 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2026-75604?
Next.js: Unauthenticated Remote Code Execution on windows-hosted servers This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.0/10).
How do I check if my project is affected by CVE-2026-75604?
CVE-2026-75604 affects next. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-75604 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.0

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-p293-qw3h-jr36

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