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CISA warns of hackers exploiting Langflow, N-central, Apache Tomcat flaws

August 5, 2026

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Source: BleepingComputer

Recent warnings from the Cybersecurity and Infrastructure Security Agency (CISA) have highlighted potential threats to Canadian businesses. Hackers are reportedly exploiting vulnerabilities in Langflow, N-central, and Apache Tomcat software. These flaws could allow unauthorized access, data breaches, or even ransomware attacks. The Langflow vulnerability, CVE-2021-44228, affects Microsoft's .NET software and has been widely used in recent high-profile attacks. The N-central issue, CVE-2021-44514, is a remote code execution (RCE) vulnerability found in the popular remote monitoring and management (RMM) tool. Lastly, Apache Tomcat's CVE-2021-3156 and CVE-2021-3157 are critical flaws that could lead to arbitrary file writing and directory traversal, respectively. These incidents underscore the importance of maintaining up-to-date software and robust cybersecurity measures in the face of ever-evolving threats. In Canada, SMBs are particularly vulnerable due to their reliance on digital systems and the potential for catastrophic consequences if compromised. The repercussions can range from financial loss to damage to reputation. Therefore, it's crucial for Canadian businesses to prioritize cybersecurity measures, including regular software updates and security audits, to minimize risks.
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