Mattermost versions 9.6.x <= 9.6.0, 9.5.x <= 9.5.2, 9.4.x <= 9.4.4 and 8.1.x <= 8.1.11 fail to remove detailed error messages in API requests even if the developer mode is off which allows an attacker to get information about the server such as the full path were files are stored
Solution:
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
The product generates an error message that includes sensitive information about its environment, users, or associated data.
Link | Tags |
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https://mattermost.com/security-updates | vendor advisory |