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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| cleverbrush | framework | 4.0, 4.1, 4.2, 4.3, 4.4.0 | 4.4.1 |
| cleverbrush | deep | 4.0, 4.1, 4.2, 4.3, 4.4.0 | 4.4.1 |
References
- VDB-394866 | cleverbrush framework/deep deepExtend.ts deepExtend prototype pollution vdb-entry technical-description
- VDB-394866 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- CVE-2026-78654 | CVE Analysis and Report third-party-advisory
- Submit #886401 | cleverbrush @cleverbrush/deep (npm) <=4.4.0 Prototype Pollution third-party-advisory
- https://github.com/cleverbrush/framework/issues/213 exploit issue-tracking
- https://github.com/cleverbrush/framework/pull/215 issue-tracking patch
- https://github.com/cleverbrush/framework/commit/810398c1308c500c3b8b6af380b5a89371389327 patch
- https://github.com/cleverbrush/framework/releases/tag/%40cleverbrush/async%404.4.1 patch
- https://github.com/cleverbrush/framework/ product