CVE-2024-39807
Low
Description
Mattermost versions 9.5.x <= 9.5.5 and 9.8.0 fail to properly sanitize the recipients of a webhook event which allows an attacker monitoring webhook events to retrieve the channel IDs of archived or restored channels.
SeverityLow
CVSS3.1
Exploit probability—
Product
Mattermost
PublishedJul 3, 2024
First seenJul 3, 2024
Weakness typeCWE-200Sensitive information exposure
How to fix
Update
- mattermost mattermost9.5.6, 9.8.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mattermost mattermost | 9.5.0 ≤ v < 9.5.6, 9.8.0 ≤ v < 9.8.1 | 9.5.6, 9.8.1 |
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