mathjs Allows Improperly Controlled Modification of Dynamically-Determined Object Attributes
Impact
This security 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.
Patches
The issue was introduced in mathjs v13.1.0, and patched in mathjs v15.2.0.
Workarounds
There is no workaround without upgrading to v15.2.0.
References
You can find out more via the commit fixing this issue: https://github.com/josdejong/mathjs/commit/24d5ee7e25e85d49619b09122f055db4139bc057 (part of PR https://github.com/josdejong/mathjs/pull/3656).
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | mathjs | >= 13.1.0, < 15.2.0 | 15.2.0 |
References
- https://github.com/josdejong/mathjs/security/advisories/GHSA-5v89-rwgr-qj6g
- https://github.com/josdejong/mathjs/security/advisories/GHSA-jvff-x2qm-6286
- https://nvd.nist.gov/vuln/detail/CVE-2026-41139
- https://github.com/josdejong/mathjs/pull/3656
- https://github.com/josdejong/mathjs/commit/0aee2f61866e35ffa0aef915221cdf6b026ffdd4
- https://github.com/josdejong/mathjs/commit/bcf0da46f0b8577ec03c9ecd7bff8b5c2543a611
- https://github.com/josdejong/mathjs
- https://github.com/josdejong/mathjs/releases/tag/v15.2.0
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-915- Platform
- npm
- Package
mathjs- Disclosed
- 10.04.2026
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-jvff-x2qm-6286 - CC BY 4.0
Vulnerability history: mathjs
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 5
- First → latest
- 12.2017 04.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 2
- High 3
Disclosures per year
- 2017: 2
- 2018: 0
- 2019: 0
- 2020: 0
- 2021: 1
- 2022: 0
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 2
-
mathjs Allows Improperly Controlled Modification of Dynamically-Determined Object Attributes this entry
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