Remote code execution via unescaped string literals
Published May 8, 2026 · Updated May 8, 2026
Code injection in Mauricio Poppe math-codegen before 0.4.3 allows remote attackers to execute arbitrary system commands through cg.parse(). ConstantNode inserts string values directly into generated JavaScript passed to new Function() instead of serializing them as data. Exposure requires attacker-controlled expressions to reach cg.parse(); successful exploitation runs code with the consuming application's privileges.
Summary
What happened
Code injection in Mauricio Poppe math-codegen before 0.4.3 allows remote attackers to execute arbitrary system commands through cg.parse(). ConstantNode inserts string values directly into generated JavaScript passed to new Function() instead of serializing them as data. Exposure requires attacker-controlled expressions to reach cg.parse(); successful exploitation runs code with the consuming application's privileges.
The record
- CVE
- CVE-2026-41507
- Published
- May 8, 2026
- Updated
- May 8, 2026
- Vendor
- Mauricio Poppe
- Product
- math-codegen
- Classifications
- CWE-94, T1059.007
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- May 8, 2026CVE publishedPublication date reported by the CVE source.
- May 8, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=< 0.4.3
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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