Description
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.
Affected products
mathjs: mathjs
References8
- github.com/josdejong/mathjs/security/advisories/GHSA-5v89-rwgr-… PatchVendor Advisory
- github.com/josdejong/mathjs/commit/0aee2f61866e35ffa0aef915221c… Patch
- github.com/josdejong/mathjs/commit/bcf0da46f0b8577ec03c9ecd7bff… Patch
- github.com/josdejong/mathjs/pull/3656 Issue TrackingPatch
- github.com/josdejong/mathjs/releases/tag/v15.2.0 Release Notes
- access.redhat.com/security/cve/CVE-2026-41139
- bugzilla.redhat.com/show_bug.cgi?id=2467648
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41139…
Metrics
- CVSS 3.1
-
8.8
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 1% percentile: 48 · as of 13 November 2026
- CWE
- CWE-915CWE-94
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.