A remote code execution (RCE) vulnerability in the upload_file function of LRQA Nettitude PoshC2 after commit 123db87 allows authenticated attackers to execute arbitrary code via a crafted POST request.
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.