VIR Vulnerability Intelligence Relay

CVE-2026-44574

high
Published 2026-05-13 · Modified 2026-05-14
CVSS v3
8.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS v2
—
VIR risk
8.1

Description

Next.js has a Middleware / Proxy bypass through dynamic route parameter injection

Predictions

Exploit likelihood
88%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: security-advisories@github.com — https://github.com/vercel/next.js/security/advisories/GHSA-492v-c6pp-mqqv

Package impact
EcosystemPackageVulnerableFixed
npm npmnext>=15.4.0,<15.5.1615.5.16
npm npmnext>=16.0.0,<16.2.516.2.5
npm NPMnext>= 16.0.0, < 16.2.516.2.5
npm NPMnext>= 15.4.0, < 15.5.1615.5.16

Application impact
VendorProductVersionsFixed
vercelnext.js{"startIncluding":"15.4.0","endExcluding":"15.5.16"}15.5.16

References

CWEs

CWE-288

Verify integrity in audit chain (admin only). AS-IS.