CVE-2026-46509

HIGH

deepobj: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

Title source: cna
STIX 2.1

Description

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.

References (1)

Core 1
Core References

Scores

CVSS v3 8.2
EPSS 0.0032
EPSS Percentile 23.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-1321
Status published
Products (2)
ranfdev/deepobj 0 - 1.0.3npm
ranfdev/deepobj < 1.0.3
Published May 28, 2026
Tracked Since May 29, 2026