Mattermost versions 9.5.x < 9.5.3, 9.6.x < 9.6.1 and 8.1.x < 8.1.12 fail to perform proper access control which allows a guest to get the metadata of a public playbook run that linked to the channel they are guest via sending an RHSRuns GraphQL query request to the server
Publication date: Sun, 26 May 2024 14:15:00 +0000