lodash vulnerable to Prototype Pollution via array path bypass in `_.unset` and `_.omit`

Impact Lodash versions 4.17.23 and earlier are vulnerable to prototype pollution in the .unset and .omit functions. The fix for CVE-2025-13465 only guards against string key members, so an attacker can bypass the check by passing array-wrapped path segments. This allows deletion of properties fro...

Prototype Pollution

Overview Affected versions of this package are vulnerable to Prototype Pollution via the .unset and .omit functions. An attacker can delete properties from built-in prototypes by supplying array-wrapped path segments, potentially impacting application behaviour. Notes: 1 Version 4.18.0 was intend...

DEBIAN-CVE-2026-2950

The .unset and .omit functions in Lodash are vulnerable to prototype pollution. The fix for CVE-2025-13465 only guards against string key members, so an attacker can bypass the check by passing array-wrapped path segments. This allows deletion of properties from built-in prototypes such as...

CVE-2026-2950

CVE-2026-2950 affects lodash ≤ 4.17.23, enabling prototype pollution via array-wrapped path segments in _.unset and _.omit. The attack can delete properties from built-in prototypes (Object.prototype, Number.prototype, String.prototype) without overwriting behavior. The issue is patched in lodash...

CVE-2026-2950

The .unset and .omit functions in Lodash are vulnerable to prototype pollution. The fix for CVE-2025-13465 only guards against string key members, so an attacker can bypass the check by passing array-wrapped path segments. This allows deletion of properties from built-in prototypes such as...