GHSA-26hh-7cqf-hhc6

Source

https://github.com/advisories/GHSA-26hh-7cqf-hhc6

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-26hh-7cqf-hhc6/GHSA-26hh-7cqf-hhc6.json

JSON Data

https://api.osv.dev/v1/vulns/GHSA-26hh-7cqf-hhc6

Aliases

CVE-2026-45109

Published

2026-05-11T16:21:19Z

Modified

2026-05-11T16:37:33.951783Z

Severity

7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator

Summary

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

Details

Impact

It was found that the fix addressing CVE-2026-44575 did not apply to middleware.ts with Turbopack. Refer to CVE-2026-44575 for further details.

References

CVE CVE-2026-44575

Database specific

{
    "github_reviewed": true,
    "github_reviewed_at": "2026-05-11T16:21:19Z",
    "cwe_ids": [
        "CWE-288"
    ],
    "severity": "HIGH",
    "nvd_published_at": null
}

References

Affected packages

npm / next

Package

Name: next; View open source insights on deps.dev
Purl: pkg:npm/next

Affected ranges

Type: SEMVER
Events: Introduced

15.2.0

Fixed

15.5.18

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-26hh-7cqf-hhc6/GHSA-26hh-7cqf-hhc6.json"

npm / next

Package

Name: next; View open source insights on deps.dev
Purl: pkg:npm/next

Affected ranges

Type: SEMVER
Events: Introduced

16.0.0

Fixed

16.2.6

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-26hh-7cqf-hhc6/GHSA-26hh-7cqf-hhc6.json"