CVE-2026-109149CWE-400CWE-789denial-of-service

CVE-2026-109149

Medium · published October 13, 2026

CVSS v3.1
5.3
EPSS
1%
Percentile
43.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00522 · 43.5th percentile
Weaknesses
CWE-400 · Uncontrolled Resource Consumption; CWE-789 · Memory Allocation with Excessive Size Value
Published
2026-10-13T14:17Z
References (6)
https://github.com/beautifier/js-beautify/ · [email protected]https://github.com/beautifier/js-beautify/issues/2522 · [email protected]https://vuldb.com/cve/CVE-2026-109149 · [email protected]https://vuldb.com/submit/978621 · [email protected]https://vuldb.com/vuln/416885 · [email protected]https://vuldb.com/vuln/416885/cti · [email protected]
EPSS history
Timeline
  • 15 OCT 03:28Z
    EPSS moved — → 1%
    epss
  • 13 OCT 09:30Z
    beautifier js-beautify memory allocation
    cvelistv5
  • 13 OCT 09:30Z
    beautifier js-beautify memory allocation
    cvelistv5