SWS Vulnerability Watch

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CVE-2026-45109 in Next.js 16.1.1

Next.js has a Middleware / Proxy bypass in App Router applications via segment-prefetch routes - Incomplete Fix Follow-Up

Severity
High 7.5
Exploitation
1% chance of exploit
in the next 30 days
Fix
Update to 16.2.6
Where
App / API
How it matched
Exact version match
Also known as
GHSA-26hh-7cqf-hhc6
First seen
2026-11-05 01:13:58 UTC
Source
https://osv.dev/vulnerability/GHSA-26hh-7cqf-hhc6