CVE-2026-46509
High
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.
SeverityHigh
CVSS8.2
Exploit probability—
Product@ranfdev/deepobj
PublishedMay 28, 2026
First seenMay 28, 2026
Weakness typeCWE-1321Prototype pollution
How to fix
Update
- @ranfdev/deepobj1.0.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| @ranfdev/deepobjnpm | v < 1.0.3 | 1.0.3 |
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