Arbitrary JS Exec via Math.js Expr Parser v13.1.0-<15.2.0
CVE-2026-41139 Published on May 7, 2026

Unsafe array index getter in mathjs
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.

NVD

Vulnerability Analysis

CVE-2026-41139 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Types

What is a Mass Assignment Vulnerability?

The software receives input from an upstream component that specifies multiple attributes, properties, or fields that are to be initialized or updated in an object, but it does not properly control which attributes can be modified.

CVE-2026-41139 has been classified to as a Mass Assignment vulnerability or weakness.

What is a Code Injection Vulnerability?

The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

CVE-2026-41139 has been classified to as a Code Injection vulnerability or weakness.


Products Associated with CVE-2026-41139

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Red Hat Cryostat
 
Red Hat Rhdh
 
Red Hat Enterprise Linux (RHEL)
 
Red Hat Openshift Ai
 
Red Hat Openshift
 
Red Hat Ansible Portal
 

Affected Versions

josdejong mathjs: Red Hat Cryostat 4: Red Hat Developer Hub: Red Hat Enterprise Linux 10: Red Hat Enterprise Linux 8: Red Hat Enterprise Linux 9: Red Hat OpenShift AI (RHOAI): Red Hat OpenShift Container Platform 4: Red Hat Self-service automation portal 2:

Exploit Probability

EPSS
0.51%
Percentile
39.46%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.