CVE-2026-78654
High
Description
A vulnerability has been found in cleverbrush framework and deep up to 4.4.0. This impacts the function deepExtend of the file libs/deep/src/deepExtend.ts. The manipulation leads to improperly controlled modification of object prototype attributes. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. Upgrading to version 4.4.1 will fix this issue. The identifier of the patch is 810398c1308c500c3b8b6af380b5a89371389327. You should upgrade the affected component.
SeverityHigh
CVSS7.3
Exploit probability—
ProductCleverbrush Framework
PublishedAug 25, 2026
First seenAug 25, 2026
Weakness typeCWE-1321Prototype pollutionCWE-94Code injection
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cleverbrush framework | 4.0, 4.1, 4.2, 4.3, 4.4.0 | — |
| cleverbrush deep | 4.0, 4.1, 4.2, 4.3, 4.4.0 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.