CVE-2025-13465 MEDIUM

CVE-2025-13465: Prototype Pollution Vulnerability in Lodash _.unset and _.omit functions

Vendor Lodash
Product Lodash
Weakness CWE-1321
Published January 21, 2026
Last update June 30, 2026
View on NVD All CVEs

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:H/SI:H/SA:H/E:P

What the vulnerability does

01Description

Lodash versions 4.0.0 through 4.17.22 are vulnerable to prototype pollution in the _.unset and _.omit functions. An attacker can pass crafted paths which cause Lodash to delete methods from global prototypes. The issue permits deletion of properties but does not allow overwriting their original behavior. This issue is patched on 4.17.23

Key dates

02Disclosure timeline

January 21, 2026 CVE published
June 30, 2026 Record updated