GoKawiilThe U.S. Cybersecurity and Infrastructure Security Agency is giving federal agencies three days to mitigate vulnerabilities in IBM Langflow, N-central, and Apache Tomcat, all actively exploited.
Tracked as CVE-2026-9198, the security issue in IBM’s Langflow visual framework for building AI agents is the most severe, with a critical rating of 9.8 out of 10.
It allows an unauthenticated attacker to execute remotely on default Langflow deployments by chaining two API endpoints to bypass login and run code.
In late July, multiple fully functional proof-of-concept (PoC) exploits for CVE-2026-9198 emerged in the public space, with complete instructions on how they can be leveraged.
Two weeks ago, CISA issued an alert for another critical Langflow vulnerability (CVE-2026-0770) being exploited in attacks to gain remote code execution with root privileges.
The vulnerability in N-able’s remote monitoring and management platform N-central is identified as CVE-2026-18576 and allows attackers to hijack administrative accounts without authentication.
The flaw received a high-severity rating and has been patched by the vendor. However, the fix was insufficient, and threat actors found a new way to exploit it.
N-able warned customers on August 1st that hackers were actively exploiting the new vulnerability, which received the identifier CVE-2026-18576.
An emergency hotfix was released on Sunday. The company urged customers to install it as the flaw impacted all versions of N-central before 2026.3.
The Apache Tomcat vulnerability, tracked as CVE-2026-34486, has a high-severity score of 7.5. It stems from an incomplete fix for CVE-2026-29146, a critical vulnerability with a severity rating of 9.8 that is described as the missing encryption of sensitive data.
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