CVE-2025-12735
The expr-eval library is a JavaScript expression parser and evaluator designed to safely evaluate mathematical expressions with user-defined variables....
- Published
- Nov 5, 2025
- Updated
- Nov 22, 2025
- Assigning CNA
- certcc
- Evidence observed
- Aug 6, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 82.0%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
The expr-eval library is a JavaScript expression parser and evaluator designed to safely evaluate mathematical expressions with user-defined variables. However, due to insufficient input validation, an attacker can pass a crafted context object or use MEMBER of the context object into the evaluate() function and trigger arbitrary code execution.
Sources
2- cve-2025-12735-expr-eval-rceExploit
Security research tool for detecting and testing CVE-2025-12735 (expr-eval RCE vulnerability)
- cve-2025-12735-expr-eval-rceExploit
Security research tool for detecting and testing CVE-2025-12735 (expr-eval RCE vulnerability)
Responsible use
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