Jenkins Log Command Plugin 1.0.2 and earlier does not disable a feature of its command parser that replaces an '@' character followed by a file path in an…

Jenkins Log Command Plugin 1.0.2 and earlier does not disable a feature of its command parser that replaces an '@' character followed by a file path in an argument with the file's contents, allowing unauthenticated attackers to read content from arbitrary files on the Jenkins controller file system.