npm package report

Is tsup safe?

tsup (npm) has 1 known vulnerability, the worst rated LOW. No malicious-package signal is recorded.

// reach

31 direct dependencies

6 carry known advisories, worst CRITICAL

21 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
5.1
medium

CVSS v3.1 base score out of 10; GitHub rates it LOW

epss
0.24%
low

chance of exploitation in 30 days, 16th percentile of all CVEs

xyz score
2.8
low

CyberXYZ composite out of 10

fig. 01 — GHSA-3mv9-4h5g-vhg3, the advisory selected below

// 1 advisories

A DOM Clobbering vulnerability in tsup v8.3.4 allows attackers to execute arbitrary code via a crafted script in the import.meta.url to document.currentScript…

Full advisory text at GitHub advisory or NVD.

// cvss v3.1 vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack vector
Local
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
// questions
Is tsup safe to install?

CyberXYZ does not call a package safe in absolute terms. It records 1 known vulnerability for tsup (npm), the worst rated LOW, and no malicious-package signal. Whether it is acceptable depends on the version you run.

Does tsup have known vulnerabilities?

Yes. CyberXYZ records 1 known vulnerability for tsup (npm), the worst rated LOW. They are GHSA-3mv9-4h5g-vhg3.

How do I check tsup before installing?

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


Checked 2026-11-14 at 10:06 UTC. The most recent advisory here was published 2025-03-03. Updated continuously from NVD, GHSA, OSV and CNA feeds.

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