CVE-2026-46509 HIGH

CVE-2026-46509: deepobj: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

Vendor Ranfdev
Product deepobj
Weakness CWE-1321
Published May 28, 2026
Last update June 2, 2026
View on NVD All CVEs

CVSS base score

8.2/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

What the vulnerability does

01Description

deepobj provides get, set, delete deep objects in javascript. Prior to 1.0.3, prototype pollution is possible when property paths contain __proto__/constructor/prototype. The property path must not be exposed as user input. This vulnerability is fixed in 1.0.3.

Key dates

02Disclosure timeline

May 28, 2026 CVE published
June 2, 2026 Record updated