CVE•Published 2026-04-24•Modified 2026-06-30•1 article on news•6 live references•NVD data
CVE-2026-40897Mathjs · Mathjs
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
16
Exploit Prediction Scoring System · top 84% of all CVEs
Weaknesses (CWE)
Description
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.
Timeline
Published 2026-04-24
Modified 2026-06-30
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-40897Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Mathjs Mathjs"All exposed Mathjs Mathjs instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Mathjs"HTTP body or banner mentions "Mathjs" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-40897Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-40897Censys host search filtered to this CVE id.
grep.app
CVE-2026-40897Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-40897GitHub code search for direct mentions.
Google dork
"CVE-2026-40897" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.