Known vulnerabilities in Preact

Vendor: npm Inc.
Software: Preact
Software CPE: cpe:2.3:a:npm:preact:*:*:*:*:*:*:*:*
Total vulnerabilities: 2
Public exploits: 0
Known exploited (KEV): 0
Highest CVSSv4 Score: 6.3

Breakdown by Severity Chart

Severity distribution of vulnerabilities affecting Preact Preact is affected by 2 known vulnerabilities: 2 medium Critical High Medium Low

Vulnerabilities (2)

Vulnerability CWE-ID CSH Severity Public Exploit KEV First fixed release Published Bulletins
#VU127933 - Improper input validation
CVE-2026-22028
CWE-20 Medium
No
No
10.26.10, 10.27.3, 10.28.2 25.04.2026 SB20260425215
#VU18408 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-79 Medium
No
No
10.0.0 beta.1 07.05.2019 SB2019050719