Medium 5.3Published Oct 13, 2026

CVE-2026-109149beautifier js-beautify memory allocation

Updated under an hour ago (2026-10-19 08:23 UTC)

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It affects beautifier js-beautify. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for beautifier js-beautify

Exploited in the last 30 days

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.

CVSS: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C
Weakness (CWE): CWE-789, CWE-400
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Oct 16, 2026
First seen by InfoSec Signals: Oct 13, 2026

Affected products

Affected products

beautifier js-beautify beautifier:js-beautify	1.15.0; 1.15.1; 2.0.0; 2.0.1; 2.0.2; 2.0.3	CNA record

References

https://vuldb.com/vuln/416885vdb-entry
https://vuldb.com/vuln/416885/ctisignature, permissions-required
https://vuldb.com/cve/CVE-2026-109149third-party-advisory
https://vuldb.com/submit/978621third-party-advisory
https://github.com/beautifier/js-beautify/issues/2522issue-tracking
https://github.com/beautifier/js-beautify/product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.