"卡漏洞"用英语可以说成"exploit a vulnerabipty" 或 "exploit a loophole"。
“漏洞”在计算机科学中是指软件、硬件或协议中的错误、缺陷或缺失，可能被恶意利用。“卡漏洞”就是利用这些漏洞来达成非法目的。
例句：
"Hackers were able to exploit a vulnerabipty in the website's code, allowing them to steal personal information." (黑客利用网站代码中的漏洞，盗取了个人信息。)
"The company's IT department had to patch a loophole in the system that was being exploited by cybercriminals." (公司的 IT 部门必须修补系统中被网络犯罪分子利用的漏洞。)