npm package report

Is preact safe?

preact (npm) has 2 known vulnerabilities, the worst rated HIGH. Upgrade to 10.26.10 or later to clear all of them. No malicious-package signal is recorded.

// reach

1 direct dependencies

none carry a known advisory

54 packages depend on it

an advisory here reaches each of them

Create a free accountfor every dependency path, dependent and what to upgrade

// ai model usage

Tracked for PyPI packages. HuggingFace models declare Python dependencies, so npm packages are not covered.

cvss

7.2

high

CVSS v4.0 base score out of 10

epss

0.27%

low

chance of exploitation in 30 days, 20th percentile of all CVEs

xyz score

4.5

medium

CyberXYZ composite out of 10

fig. 01 — GHSA-36hm-qxxp-pg3m, the advisory selected below

// 2 advisories

GHSA-36hm-qxxp-pg3m

HIGHGitHub ratingCVE-2026-22028

Vulnerability Type: HTML Injection via JSON Type Confusion

Full advisory text at GitHub advisory or NVD.

// cvss v4.0 vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U

Attack vector: Network
Attack complexity: Low
Attack requirements: Present
Privileges required: None
User interaction: None
Confidentiality (vulnerable system): High
Integrity (vulnerable system): High
Availability (vulnerable system): High
Confidentiality (subsequent systems): None
Integrity (subsequent systems): None
Availability (subsequent systems): None
Exploit maturity: Unreported

// questions

Is preact safe to install?

CyberXYZ does not call a package safe in absolute terms. It records 2 known vulnerabilities for preact (npm), the worst rated HIGH, and no malicious-package signal. Whether it is acceptable depends on the version you run.

Does preact have known vulnerabilities?

Yes. CyberXYZ records 2 known vulnerabilities for preact (npm), the worst rated HIGH. They are GHSA-36hm-qxxp-pg3m, GHSA-cg48-9hh2-x6mx.

Which version of preact should I use?

10.26.10 or later clears every advisory recorded for preact (npm). Check the release you pick before installing it.

How do I check preact before installing?

Search preact in CyberXYZ Check at https://cyberxyz.io/check?q=preact. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.

Checked 2026-11-14 at 06:54 UTC. The most recent advisory here was published 2026-01-07. Updated continuously from NVD, GHSA, OSV and CNA feeds.