High 8.8Published Apr 24, 2026

CVE-2026-40897Math.js: Unsafe object property setter in mathjs

Updated under an hour ago (Oct 27, 2026, 7:40 AM ET)

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It affects josdejong mathjs and 6 other products. Add what you run to find out whether that includes you.

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Every CVE for josdejong mathjs

Exploited in the last 30 days

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, CNA)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: GitHub_M
NVD analysis: Modified
Record last updated: Jul 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

josdejong mathjs josdejong:mathjs (from the name)	from 13.1.1, < 15.2.0	CNA record
Red Hat Red Hat Developer Hub redhat:rhdh	1	CISA ADP
Red Hat Red Hat Enterprise Linux 10 redhat:enterprise_linux	10	CISA ADP
Red Hat Red Hat OpenShift AI (RHOAI) redhat:openshift_ai	Versions not stated	CISA ADP
Red Hat Red Hat OpenShift Container Platform 4 redhat:openshift	4	CISA ADP
Red Hat Self-service automation portal 2 redhat:ansible_portal	2	CISA ADP
mathjs mathjs mathjs:mathjs	from 13.1.1 before 15.2.0	NVD

References

References

https://github.com/josdejong/mathjs/security/advisories/GHSA-29qv-4j9f-fjw5	x-refsource-confirm, vendor-advisory
https://github.com/josdejong/mathjs/pull/3656	x-refsource-misc, issue-tracking
https://github.com/josdejong/mathjs/commit/513ab2a0e01004af91b31aada68fae8a821326ad	x-refsource-misc, patch
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.