CVE-2026-12866

All versions of the package expr-eval are vulnerable to Code Execution via the toJSFunction API. An attacker can execute arbitrary JavaScript by supplying crafted expressions that are compiled into native code using new Function. Because user-controlled expressions are transformed directly into...

GHSA-JC85-FPWF-QM7X expr-eval does not restrict functions passed to the evaluate function

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 variables object into the evaluate function and trigger arbitrary...

expr-eval does not restrict functions passed to the evaluate function

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 variables object into the evaluate function and trigger arbitrary...

CVE-2025-12735 CVE-2025-12735

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 evaluat...

CVE-2025-12735 CVE-2025-12735

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 evaluat...