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CVE-2026-41248

CRITICAL · CVSS 9.1 EPSS 0.09% Public Exploit

Source: NVD + CISA KEV + EPSS · Published: 2026-04-24 · Last synced: 2026-05-24

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Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

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CVE
CVE-2026-41248
Severity
CRITICAL
CVSS
9.1
EPSS
0.09%
Java

Original NVD Description

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