math.js before 3.17.0 had an issue where private properties such as a constructor could be replaced by using unicode characters when creating an object.
// recommendation
Upgrade to version 3.17.0 or later.
// cvss v3.0 vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Checked 2026-11-07 at 17:50 UTC. The most recent advisory here was published 2026-04-16. Updated continuously from NVD, GHSA, OSV and CNA feeds.