CVE-2026-41248
9.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
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
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| clerk | astro | >= 0.0.1, < 1.5.7 | affected |
| clerk | astro | >= 2.0.0-snapshot.v20241206174604, <= 2.17.9 | affected |
| clerk | astro | >= 3.0.0, < 3.0.15 | affected |
| clerk | nextjs | >= 5.0.0, < 5.7.6 | affected |
| clerk | nextjs | >= 6.0.0-snapshot.vb87a27f, < 6.39.2 | affected |
| clerk | nextjs | >= 7.0.0, < 7.2.1 | affected |
| clerk | nuxt | >= 1.1.0, < 1.13.28 | affected |
| clerk | nuxt | >= 2.0.0, < 2.2.2 | affected |
| clerk | shared | >= 2.20.17, < 2.22.1 | affected |
| clerk | shared | >= 3.0.0-canary.v20250225091530, < 3.47.4 | affected |
| clerk | shared | >= 4.0.0, < 4.8.1 | affected |
Weaknesses
- CWE-436: CWE-436: Interpretation Conflict
- CWE-863: CWE-863: Incorrect Authorization
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
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