CVE-2026-40897
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| josdejong | mathjs | >= 13.1.1, < 15.2.0 | affected |
Weaknesses
- CWE-915: CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
mathjs: Math.js: Arbitrary code execution via expression parser
Additional References
- 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
References
- https://github.com/josdejong/mathjs/security/advisories/GHSA-29qv-4j9f-fjw5
- https://github.com/josdejong/mathjs/pull/3656
- https://github.com/josdejong/mathjs/commit/513ab2a0e01004af91b31aada68fae8a821326ad
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