CVE-2026-12866: expr-eval Library Code Execution Vulnerability Patched
CVE-2026-12866: expr-eval Library Code Execution Vulnerability Patched
Summary
CVE-2026-12866 is a critical vulnerability in the expr-eval library, which allowed an attacker to execute arbitrary JavaScript by supplying crafted expressions. This could lead to unauthorized code execution, potentially resulting in data tampering, sensitive information disclosure, or even system compromise. The vulnerability was patched in a recent update, and users are advised to upgrade to the latest version of the library to ensure their systems remain secure.