CVE•Published 2026-05-13•Modified 2026-07-03•0 articles on news•6 live references•NVD data

CVE-2026-45109Vercel · Next.js

Vulnerability data via NVD (ingested)

CVSS v3.1

7.5

HIGH

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

EPSS percentile

Exploit Prediction Scoring System · top 61% of all CVEs

Weaknesses (CWE)

CWE-288Authentication Bypass Using an Alternate Path or Channel CWE-358Improperly Implemented Security Check for Standard

Description

Next.js is a React framework for building full-stack web applications. From 15.2.0 to before 15.5.18 and 16.2.6, it was found that the fix addressing CVE-2026-44575 did not apply to middleware.ts with Turbopack. This vulnerability is fixed in 15.5.18 and 16.2.6.

Timeline

Published 2026-05-13

Modified 2026-07-03

External references

NVD MITRE Exploit-DB GitHub PoC Sploitus VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-45109

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Vercel Next.js"

All exposed Vercel Next.js instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Next.js"

HTTP body or banner mentions "Next.js" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-45109