Next.js is a React framework for building full-stack web applications.
CVE-2026-94483
Next.js is a React framework for building full-stack web applications. From 16.0.0 until 16.3.8, Image Optimization can follow attacker-controlled DNS resolution for a remote URL that matches images.remotePatterns, allowing the optimized image fetch to reach private IP addresses after the URL passes the allow-list check. Applications without images.remotePatterns are not affected. Administrators unable to upgrade should audit allow-listed hosts and avoid entries whose DNS records are not trusted. This issue is fixed in version 16.3.8.
Assessment
- CVSS
- 8.3 (v4.0)
- Severity
- High
- EPSS
- 0.33% chance of exploitation in the next 30 days
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 2 October 2026
- Last updated
- 7 October 2026
- Weakness
- CWE-918
- Assigner
- security-advisories@github.com
CVSS vectorCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
At the source
References
- https://github.com/vercel/next.js/commit/e002ad68bd676bb0ed0c87bb22e3590304763e0b
- https://github.com/vercel/next.js/releases/tag/v16.3.8
- https://github.com/vercel/next.js/security/advisories/GHSA-cjq9-62q9-8jv4
- https://nvd.nist.gov/vuln/detail/CVE-2026-94483
- https://github.com/advisories/GHSA-cjq9-62q9-8jv4
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