npm package report

Is com.thoughtworks.xstream:xstream safe?

3 known vulnerabilities, worst severity MEDIUM.

cvss
5.3

how bad it is if exploited, out of 10

epss
13.8%

chance of exploitation in the next 30 days

xyz score
not scored

CyberXYZ composite, out of 10

fig. 01 — GHSA-56p8-3fh9-4cvq, the advisory selected below

// advisories

GHSA-56p8-3fh9-4cvq

MEDIUMCVE-2021-21348

The vulnerability may allow a remote attacker to occupy a thread that consumes maximum CPU time and will never return. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types.

Affected
>=0, <5.15.14, >=5.16.0, >=5.16.1
Fixed in
1.4.16
Published
2021-03-22
Source
github

GHSANVDMITRE

// dependencies

0 direct

Sign in for dependency paths and remediation

// ai model usage

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

Checked 2026-09-22 at 02:55 UTC. The most recent advisory here was published 2021-03-22. Updated continuously from NVD, GHSA, OSV and CNA feeds.

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Is com.thoughtworks.xstream:xstream safe? npm package security report | CyberXYZ