CVE-2026-2950

Name of the Vulnerable Software and Affected Versions Lodash versions prior to 4.18.0

Description Lodash versions 4.17.23 and earlier are susceptible to prototype pollution through the .unset and .omit functions. The initial fix did not fully address the issue, as an attacker can bypass the check by using array-wrapped path segments. This allows for the deletion of properties from built-in prototypes like Object.prototype, Number.prototype, and String.prototype. The issue allows deletion of prototype properties but does not permit overwriting their original behavior.

Recommendations Upgrade to version 4.18.0 or later.