Improper Access Control Affecting github.com/mattermost/mattermost/server/platform/services/sharedchannel package, versions <9.5.7 >=9.7.0 <9.7.6 >=9.8.0 <9.8.2 >=9.9.0 <9.9.1
Threat Intelligence
EPSS
0.05% (21st
percentile)
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Test your applications- Snyk ID SNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTSERVERPLATFORMSERVICESSHAREDCHANNEL-7577961
- published 2 Aug 2024
- disclosed 1 Aug 2024
- credit Juho Forsén
Introduced: 1 Aug 2024
CVE-2024-39777 Open this link in a new tabHow to fix?
Upgrade github.com/mattermost/mattermost/server/platform/services/sharedchannel to version 9.5.7, 9.7.6, 9.8.2, 9.9.1 or higher.
Overview
Affected versions of this package are vulnerable to Improper Access Control via the channel invitation process. An attacker can gain unauthorized access to local channels by sending an invite with the ID of an existing local channel, which then becomes shared without the consent of the local admin.