Mattermost Desktop App versions <=5.7.0 fail to correctly prompt for permission when opening external URLs which allows a remote attacker to force a victim over the Internet to run arbitrary programs on the victim's system via custom URI schemes.
Solution:
The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.
Link | Tags |
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https://mattermost.com/security-updates | vendor advisory |