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 e…
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.
- Published by source
- 2026-04-24
- First seen by Reality Radar
- 2026-10-27
- Last verified
- 2026-10-27
Affected
- Manufacturer
- mathjs
- Products
- mathjs
- Versions
- <15.2.0
- CPE
- cpe:2.3:a:mathjs:mathjs:*:*:*:*:*:node.js:*:*
Whether your exact unit is affected depends on the model, serial number and region in the official notice.
What the official notice says
Risk: CVSS 8.8
Is this affecting you?
Add what you own or use and Reality Radar will tell you when official changes match it — with evidence and next steps.
Sources
- NIST National Vulnerability Database Tier A · official published 2026-04-24
Evidence ledger
Every piece of evidence we store is appended to a public hash chain, so later edits are detectable. Anyone can re-verify it.
| Entry | Kind | Observed | Evidence hash | Entry hash |
|---|---|---|---|---|
| #2155 | new | 2026-10-27 | 75cf1ee2332b…ae121f | 25d2c09fbf9c…96854b |
Chain head: #2286 e212558e872c…954bc1