JetBrains TeamCity Authentication Bypass Attack

Fortiguard Security Advisory

Multiple Threat actors seen exploiting the authentication bypass flaw in JetBrains TeamCity that could lead to remote code execution. If compromised, they can access a TeamCity server, gaining entry to a software developer’s source code, signing certificates, and the power to manipulate software building and deployment procedures. This access could also be misused by these malicious actors to carry out supply chain operations.

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