Medium 4.3Published Aug 29, 2025

CVE-2025-55173Next.js is a React framework for building full-stack web applications.

Updated under an hour ago (2026-10-19 07:20 UTC)

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It affects vercel next.js. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for vercel next.js

Exploited in the last 30 days

Next.js is a React framework for building full-stack web applications. In versions before 14.2.31 and from 15.0.0 to before 15.4.5, Next.js Image Optimization is vulnerable to content injection. The issue allowed attacker-controlled external image sources to trigger file downloads with arbitrary content and filenames under specific configurations. This behavior could be abused for phishing or malicious file delivery. This vulnerability has been fixed in Next.js versions 14.2.31 and 15.4.5.

CVSS: 4.3 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Weakness (CWE): CWE-20
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Oct 18, 2026
First seen by InfoSec Signals: Oct 18, 2026

Affected products

Affected products

vercel next.js vercel:next.js	before 14.2.31; from 15.0.0 before 15.4.5	NVD

References

https://github.com/vercel/next.js/commit/6b12c60c61ee80cb0443ccd20de82ca9b4422dddpatch
https://github.com/vercel/next.js/security/advisories/GHSA-xv57-4mr9-wg8vvendor-advisory
https://vercel.com/changelog/cve-2025-55173vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.