CVE-2026-41139 PUBLISHED

Unsafe array index getter in mathjs

Assigner: GitHub_M
Reserved: 17.04.2026 Published: 07.05.2026 Updated: 07.05.2026

Math.js is an extensive math library for JavaScript and Node.js. From version 13.1.0 to before version 15.2.0, arbitrary JavaScript can be executed via the expression parser of mathjs. This issue has been patched in version 15.2.0.

Metrics

CVSS 3.0

CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 8.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.0

Product Status

Vendor	josdejong
Product	mathjs
Versions	Version >= 13.1.0, < 15.2.0 is affected

References

https://github.com/josdejong/mathjs/security/advisories/GHSA-5v89-rwgr-qj6g
https://github.com/josdejong/mathjs/pull/3656
https://github.com/josdejong/mathjs/commit/0aee2f61866e35ffa0aef915221cdf6b026ffdd4
https://github.com/josdejong/mathjs/commit/bcf0da46f0b8577ec03c9ecd7bff8b5c2543a611
https://github.com/josdejong/mathjs/releases/tag/v15.2.0

Problem Types

CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes CWE