clerk\/backend vulnerabilities and fixes

Recent CVEs affecting clerk\/backend, with upgrade or downgrade steps. 1 tracked.

clerk\/backend has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-05-11. Highest priority: CVE-2026-42349 (score 32/100).

• CVE-2026-42349 HIGH 8.1 UPGRADE UPGRADE Clerk JavaScript is the official JavaScript repository for Clerk authentication

FAQ

How do I fix clerk\/backend vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is clerk\/backend being exploited right now?

None of the tracked clerk\/backend CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which clerk\/backend CVE should I patch first?

CVE-2026-42349 currently ranks highest (32/100): Clerk JavaScript is the official JavaScript repository for Clerk authentication.

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