CVE-2026-45109
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| vercel | next.js | >= 15.2.0, < 15.5.17 | affected |
| vercel | next.js | >= 16.0.0, < 16.2.6 | affected |
Weaknesses
- CWE-288: CWE-288: Authentication Bypass Using an Alternate Path or Channel
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
next.js: Next.js: Information disclosure via security fix bypass in middleware with Turbopack
Additional References
- https://access.redhat.com/security/cve/CVE-2026-45109
- https://bugzilla.redhat.com/show_bug.cgi?id=2477190
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45109.json
- https://access.redhat.com/errata/RHSA-2026:34608
References
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