What is CVE-2026-41507?

CVE-2026-41507 is a critical-severity vulnerability in Mauriciopoppe Math-codegen, classified under Code Injection. CVSS score: 9.8/10. Published 2026-05-08.

How severe is CVE-2026-41507?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Mauriciopoppe Math-codegen

CVE-2026-41507

math-codegen generates code from mathematical expressions. Prior to version 0.4.3, string literal content passed to cg.parse() is injected verbatim into a new Function() body without sanitization. This allows an attacker to execute arbitra…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.001 (18.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Mauriciopoppe Math-codegen — versions < 0.4.3

Weakness classification (CWE)

CWE-94 — Code Injection

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (x_refsource_MISC, Issue Tracking)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2026-41507?: CVE-2026-41507 is a critical-severity vulnerability in Mauriciopoppe Math-codegen, classified under Code Injection. CVSS score: 9.8/10. Published 2026-05-08.
How severe is CVE-2026-41507?: Critical severity. CVSS v3 base score is 9.8 out of 10.