Review reviewHigh

CVE-2026-41139

josdejong mathjs, Cryostat 4, Red Hat Developer Hub

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.

CVSS
8.8
EPSS
0.58%
44.3% percentile
CISA KEV
Not listed
Published
2026.05.07
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.58%
Technical severityCVSS 8.8

Vulnerability overview

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 product and versions

Product
josdejong mathjs, Cryostat 4, Red Hat Developer Hub
Affected versions
>= >= 13.1.0, < 15.2.0, >= 13.1.0 < 15.2.0
Fixed versions
15.2.0

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that josdejong mathjs, Cryostat 4, Red Hat Developer Hub and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-915, CWE-94