Preactjs develops a lightweight JavaScript library for building user interfaces, with a narrow product scope centered on the Preact framework itself. The observed vulnerability signal reflects type-confusion weaknesses characteristic of dynamic typing and object-property handling in JavaScript contexts. Current severity, exploitation activity, and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Preactjs over time
Signals from CVEs in this vendor scope (1 CVEs).
1 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2026-22028MEDIUM Preact, a lightweight web development framework, JSON serialization protection to prevent Virtual DOM elements from being constructed from arbitrary JSON. A regression introduced i | Jan 8, 2026 | 6.1 | 21 | NO | NO |
Signals from CVEs in this vendor scope (1 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Preactjs.
Media articles that mention a CVE ID that affects a product developed by Preactjs — matched by CVE ID, not by vendor name.