Use of Weak Hash Affecting github.com/mattermost/mattermost/server/channels/app package, versions >=9.11.0 <9.11.18>=10.5.0 <10.5.9>=10.8.0 <10.8.4>=10.9.0 <10.9.4>=10.10.0 <10.10.2-rc1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTSERVERCHANNELSAPP-12818372
- published17 Sept 2025
- disclosed15 Sept 2025
- creditdaw10
Introduced: 15 Sep 2025
NewCVE-2025-9078 (opens in a new tab)How to fix?
Upgrade github.com/mattermost/mattermost/server/channels/app to version 9.11.18, 10.5.9, 10.8.4, 10.9.4, 10.10.2-rc1 or higher.
Overview
github.com/mattermost/mattermost/server/channels/app is a private-cloud Slack alternative
Affected versions of this package are vulnerable to Use of Weak Hash via the FNV-1 hashing process for cache key validation. An attacker can access unauthorized posts and manipulate link previews by exploiting hash collision attacks.