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.
Metrics
CVSS 3.1 7.5/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| vercel | next.js | >= 15.2.0, < 15.5.17; >= 16.0.0, < 16.2.6 |
| Red Hat | Streams for Apache Kafka 2.9.4 | — |
| Red Hat | Red Hat Trusted Artifact Signer 1.3 | — |
| Red Hat | Red Hat Trusted Artifact Signer 1.4 | — |
| Red Hat | Red Hat Enterprise Linux 10 | — |
| Red Hat | Red Hat Enterprise Linux 10 | — |
| Red Hat | Red Hat Enterprise Linux 7 | — |
| Red Hat | Red Hat Enterprise Linux 8 | — |
| Red Hat | Red Hat Enterprise Linux 8 | — |
| Red Hat | Red Hat Enterprise Linux 9 | — |
| Red Hat | Red Hat Enterprise Linux 9 | — |
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 | — |
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 | — |
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 | — |
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 | — |
| Red Hat | streams for Apache Kafka 3 | — |
References
- https://github.com/vercel/next.js/releases/tag/v15.5.18
- https://github.com/vercel/next.js/releases/tag/v16.2.6
- https://github.com/vercel/next.js/security/advisories/GHSA-267c-6grr-h53f
- https://github.com/vercel/next.js/security/advisories/GHSA-26hh-7cqf-hhc6Vendor Advisory
- https://vercel.com/changelog/next-js-may-2026-security-release
- https://access.redhat.com/errata/RHSA-2026:34608
- https://access.redhat.com/errata/RHSA-2026:37272
- https://access.redhat.com/errata/RHSA-2026:40974
- https://access.redhat.com/errata/RHSA-2026:54435
- 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
Timeline
- Published
- May 13, 2026
- Last modified
- Nov 4, 2026
- NVD status
- Modified