CVE-2026-109149: beautifier js-beautify memory allocation

Published Oct 13, 2026
·
Updated

A weakness has been identified in beautifier js-beautify up to 1.15.1/2.0.3. The affected element is an unknown function. Executing a manipulation can lead to uncontrolled memory allocation. The attack may be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Affected Software

1 affected component
npm/js-beautify<=1.15.1, <=2.0.3

Event History

Oct 13, 2026
CVE Published
via MITRE·09:30 AM
Data Sourced
via MITRE·09:30 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·10:17 AM
DescriptionSeverityWeakness

Frequently Asked Questions

1

Which deployments are exposed?

Deployments using the npm/js-beautify package at versions up to 1.15.1 or 2.0.3 are identified as affected. The issue can be triggered remotely.

2

Does exploitation require authentication or user interaction?

No. The supplied CVSS vector indicates network access, low attack complexity, no privileges required, and no user interaction.

3

What is the likely operational impact?

Successful manipulation can cause uncontrolled memory allocation, with availability impact rated low. The provided scoring indicates no confidentiality or integrity impact.

4

Is a vendor fix or mitigation available?

No fix or mitigation is provided in the available data. The vendor was contacted early but did not respond.

Contact

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