Emissary has an OS Command Injection via Unvalidated IN_FILE_ENDING / OUT_FILE_ENDING in Executrix

Summary Executrix.getCommand constructs shell commands by substituting temporary file paths directly into a /bin/sh -c string with no escaping. The INFILEENDING and OUTFILEENDING configuration keys flow into those paths unmodified. A place author who sets either key to a shell metacharacter...