Slack Upload

The Jenkins project announced an unresolved security vulnerability affecting the current version of this plugin (why?):
List of issues
KeySummaryCreatedUpdated
JENKINS-68352Invalid_auth error while uploading file to slack.
JENKINS-67569stream timeout error when uploading files greater than 30MB
JENKINS-53145invalid_auth error with correct Slack Token, while uploading file into Slack
JENKINS-43280Working directory not set in Slack Uploader plugin.
JENKINS-42732Unable to push file into slack with Slack file upload plugin