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
Solution:
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
Link | Tags |
---|---|
https://mattermost.com/security-updates |