Incorrect Authorization Affecting github.com/mattermost/mattermost/server/public/model package, versions <0.1.17
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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Start learning- Snyk IDSNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTSERVERPUBLICMODEL-14038258
- published16 Nov 2025
- disclosed14 Nov 2025
- creditUnknown
Introduced: 14 Nov 2025
NewCVE-2025-11776 Â (opens in a new tab)How to fix?
Upgrade github.com/mattermost/mattermost/server/public/model to version 0.1.17 or higher.
Overview
Affected versions of this package are vulnerable to Incorrect Authorization via the /api/v4/teams/{team_id}/channels/search_archived endpoint. An attacker can access information about archived public channels by sending crafted requests as a guest user.