CVE-2026-109149
beautifier js-beautify memory allocation
- State
- Published
- Severity
- 6.9 Medium
- Published
- Oct 13, 2026
- Updated
- Oct 16, 2026
- Reserved
- Oct 12, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | 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 | VulDB |
| 3.1 | 5.3 Medium | 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 | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
js-beautifybeautifier |
|
References
- VDB-416885 | beautifier js-beautify memory allocationvdb-entry
- VDB-416885 | CTI Indicators (IOB, IOC)signaturepermissions-required
- CVE-2026-109149 | CVE Analysis and Reportthird-party-advisory
- Submit #978621 | beautifier js-beautify 1.15.1 Denial of Servicethird-party-advisory
- https://github.com/beautifier/js-beautify/issues/2522issue-tracking
- https://github.com/beautifier/js-beautify/product
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