cleverbrush framework/deep deepExtend.ts deepExtend prototype pollution
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 6.9epss 0.4%
exploitation probability
0.4%top 64% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
public PoCs found — 1
cve_referencegithub.com/cleverbrush/framework/issues/213unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://github.com/cleverbrush/framework/https://github.com/cleverbrush/framework/commit/810398c1308c500c3b8b6af380b5a89371389327https://github.com/cleverbrush/framework/issues/213https://github.com/cleverbrush/framework/pull/215https://github.com/cleverbrush/framework/releases/tag/%40cleverbrush/async%404.4.1https://vuldb.com/cve/CVE-2026-78654https://vuldb.com/submit/886401https://vuldb.com/vuln/394866https://vuldb.com/vuln/394866/cti