Improperly Controlled Modification of Dynamically-Determined Object Attributes Affecting mathjs package, versions >=13.1.1 <15.2.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published17 Apr 2026
- disclosed16 Apr 2026
- creditUnknown
Introduced: 16 Apr 2026
NewCVE-2026-40897 (opens in a new tab)How to fix?
Upgrade mathjs to version 15.2.0 or higher.
Overview
mathjs is a math library for JavaScript and Node.js. It features a flexible expression parser with support for symbolic computation, comes with a large set of built-in functions and constants, and offers an integrated solution to work with diff.
Affected versions of this package are vulnerable to Improperly Controlled Modification of Dynamically-Determined Object Attributes in the getSafeProperty() of the expression parser. An attacker can execute arbitrary JavaScript code by submitting crafted expressions for evaluation.