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preactjs vulnerabilities

1 published CVE affecting preactjs, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).

Total
1
Critical
0
High
1
Medium
0
Low
0
Unscored
0
CISA KEV
0
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Latest preactjs CVEs

Newest publication first

  1. CVE-2026-22028 Preact has JSON VNode Injection issue

    Published
    HighCVSS 7.2

    Preact, a lightweight web development framework, JSON serialization protection to prevent Virtual DOM elements from being constructed from arbitrary JSON. A regression introduced in Preact 10.26.5 caused this protection to be softened. In applications where values from JSON paylo...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.