CVE-2026-40897Math.js is an extensive math library for JavaScript and Node.js.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 8.8 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-915, CWE-917
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Jul 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
mathjs mathjs mathjs:mathjs | from 13.1.1 before 15.2.0 | NVD |
References
- https://github.com/josdejong/mathjs/commit/513ab2a0e01004af91b31aada68fae8a821326adpatch
- https://github.com/josdejong/mathjs/pull/3656issue-tracking
- https://github.com/josdejong/mathjs/security/advisories/GHSA-29qv-4j9f-fjw5vendor-advisory
- https://access.redhat.com/security/cve/CVE-2026-40897
- https://bugzilla.redhat.com/show_bug.cgi?id=2461612
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40897.json
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.