npm/@clerk/fastify CVE-2026-42349: high 8.1, EPSS 0.25%
Clerk has an authorization bypass when combining organization, billing, or reverification checks
Action: Upgrade @clerk/fastify to 2.6.31 or later.
npm i @clerk/fastify@2.6.31npm i @clerk/fastify@3.1.16Affected
| introduced | fixed | last affected |
|---|---|---|
| 1.0.42 | 2.6.31 | - |
| 3.0.0 | 3.1.16 | - |
Fixed versions
| 2.6.31 | 3.1.16 |
Sources
- osv: GHSA-w24r-5266-9c3c#npm/@clerk/fastify
- https://github.com/clerk/javascript/security/advisories/GHSA-w24r-5266-9c3c
- https://nvd.nist.gov/vuln/detail/CVE-2026-42349
- https://github.com/clerk/javascript
CVE-2026-42349 · published · modified · JSON