CVE-2026-109149

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 v3 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/beautifier/js-beautify/
https://github.com/beautifier/js-beautify/issues/2522
https://vuldb.com/cve/CVE-2026-109149
https://vuldb.com/submit/978621
https://vuldb.com/vuln/416885
https://vuldb.com/vuln/416885/cti

Configurations

No configuration.

History

13 Oct 2026, 10:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-13 10:17

Updated : 2026-10-16 22:17

NVD link : CVE-2026-109149

Mitre link : CVE-2026-109149

CVE.ORG link : CVE-2026-109149

JSON object : View

Products Affected

No product.

CWE

CWE-400

Uncontrolled Resource Consumption

CWE-789

Memory Allocation with Excessive Size Value

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