cvedb.io
CVE-2026-41248
CRITICAL · CVSS 9.1
EPSS exploitation probability: 0%
Published 2026-04-24T21:16:18.497 · Last modified 2026-06-17T10:46:23.023

Summary

Clerk JavaScript is the official JavaScript repository for Clerk authentication. createRouteMatcher in @clerk/nextjs, @clerk/nuxt, and @clerk/astro can be bypassed by certain crafted requests, allowing them to skip middleware gating and reach downstream handlers. This vulnerability is fixed in @clerk/astro 1.5.7, 2.17.10, and 3.0.15; @clerk/nextjs 5.7.6, 6.39.2, and 7.2.1; @clerk/nuxt 1.13.28 and 2.2.2; and @clerk/shared 2.22.1, 3.47.4, anc 4.8.1

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.