CVE-2026-41139: josdejong mathjs · Mass Assignment
Affects josdejong mathjsSource CVE Database V5
Not known to be exploited · CVSS 8.8 High : upgrade to 15.2.0 soon.
Data as of 29 Oct 2026, 19:04 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 47% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 15.2.0
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 7 May 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Upgrade josdejong mathjs to 15.2.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| josdejongmathjs | Affected
| Fixed in
|
npmmathjspkg:npm/mathjsOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Upgrade mathjs to version 15.2.0 or later, where this vulnerability has been patched. Patch status is confirmed by the vendor advisory. No alternative mitigations or temporary fixes are indicated.
Description
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.
References
- github.com/josdejong/mathjs/security/advisories/GHSA-5v89-rwgr-qj6g (opens in a new tab)
- github.com/josdejong/mathjs/pull/3656 (opens in a new tab)
- github.com/josdejong/mathjs/commit/0aee2f61866e35ffa0aef915221cdf6b026ffdd4 (opens in a new tab)
- github.com/josdejong/mathjs/commit/bcf0da46f0b8577ec03c9ecd7bff8b5c2543a611 (opens in a new tab)
- github.com/josdejong/mathjs/releases/tag/v15.2.0 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-41139 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2467648 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41139.json (opens in a new tab)