Improper Access Control Affecting github.com/mattermost/mattermost/server/channels/store 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% (18th
percentile)
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Test your applications- Snyk ID SNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTSERVERCHANNELSSTORE-7577955
- published 2 Aug 2024
- disclosed 1 Aug 2024
- credit Juho Forsén
Introduced: 1 Aug 2024
CVE-2024-39274 Open this link in a new tabHow to fix?
Upgrade github.com/mattermost/mattermost/server/channels/store 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 due to improper validation of shared channel synchronization messages. An attacker can add users to arbitrary teams and channels by sending crafted synchronization messages.