CVE-2026-40897:
Math.js is an extensive math library for JavaScript and Node.js. From 13.1.1 to before 15.2.0, a vulnerability allowed executing arbitrary JavaScript via the expression parser of mathjs. You can be affected when you have an application where users can evaluate arbitrary expressions using the mathjs expression parser. This vulnerability is fixed in 15.2.0.
Score
A numerical rating that indicates how dangerous this vulnerability is.
8.8High- Published Date:Apr 24, 2026
- CISA KEV Date:*No Data*
- Industries Affected:20
Threat Predictions
- EPSS Score:0.1
- EPSS Percentile:16%
Exploitability
- Score:2.8
- Attack Vector:NETWORK
- Attack Complexity:LOW
- Privileges Required:LOW
- User Interaction:NONE
- Scope:UNCHANGED
Impact
- Score:5.9
- Confidentiality Impact:HIGH
- Integrity Impact:HIGH
- Availability Impact:HIGH
Description Preview
Math.js is an extensive math library for JavaScript and Node.js. From 13.1.1 to before 15.2.0, a vulnerability allowed executing arbitrary JavaScript via the expression parser of mathjs. You can be affected when you have an application where users can evaluate arbitrary expressions using the mathjs expression parser. This vulnerability is fixed in 15.2.0.
Industries Affected
Below is a list of industries most commonly impacted or potentially at risk based on intelligence.
