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TI-2026-54681 Aliases CVE-2026-78654GHSA-85f3-5c6p-wf9v

cleverbrush framework/deep deepExtend.ts deepExtend prototype pollution

Priority HIGH 70CWE-1321Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-94.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00714 53rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed framework (cleverbrush): 4.4.1deep (cleverbrush): 4.4.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
cleverbrushframework4.0; 4.1; 4.2; 4.3; 4.4.04.4.1Patch availableCNA
cleverbrushdeep4.0; 4.1; 4.2; 4.3; 4.4.04.4.1Patch availableCNA
  • framework Vendorcleverbrush Affected 4.0; 4.1; 4.2; 4.3; 4.4.0 Fixed in 4.4.1 Patch available CNA
  • deep Vendorcleverbrush Affected 4.0; 4.1; 4.2; 4.3; 4.4.0 Fixed in 4.4.1 Patch available CNA

CPE names CNA · 2

CPEVersionsRoleVendor
cpe:2.3:a:cleverbrush:framework:*:*:*:*:*:*:*:*——cleverbrush
cpe:2.3:a:cleverbrush:deep:*:*:*:*:*:*:*:*——cleverbrush
  • cpe:2.3:a:cleverbrush:framework:*:*:*:*:*:*:*:* Versions — — ·cleverbrush
  • cpe:2.3:a:cleverbrush:deep:*:*:*:*:*:*:*:* Versions — — ·cleverbrush

Remediation

  • Fix · CNA framework (cleverbrush) Fixed in 4.4.1
  • Fix · CNA deep (cleverbrush) Fixed in 4.4.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-78654
  2. 2026-10-03 Alias added: GHSA-85f3-5c6p-wf9v

References

Exploit 1

Patch 3

Other 1

Sources

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