PatchTheCVEpreact vulnerabilities and fixes
Recent CVEs affecting preact, with upgrade or downgrade steps. 1 tracked.
preact has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-01-08. Highest priority: CVE-2026-22028 (score 31/100).
- CVE-2026-22028 MEDIUM 6.1 UPGRADE Preact, a lightweight web development framework, JSON serialization protection to prevent Virtual DOM elements
FAQ
How do I fix preact 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 preact being exploited right now?
None of the tracked preact CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which preact CVE should I patch first?
CVE-2026-22028 currently ranks highest (31/100): Preact, a lightweight web development framework, JSON serialization protection to prevent Virtual DOM elements.