HackerOne Bug Bounty Disclosure: [uchat-uberinternals-com]-mattermost-doesn’t-check-origin-in-websockets,-which-leads-to-the-critical-inforamation-leakage-bykxyry
Programme HackerOne Uber Uber Submitted by kxyry kxyry Report Mattermost doesn't check Origin in Websockets, which leads to the Critical...