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GHSA-42m6-5vm7-fjv2

Mattermost Confluence Plugin has Missing Authorization vulnerability

Source: GitHub Advisory Database (reviewed) Low CVE-2025-53857

Packages

EcosystemPackageAffectedFixed in
Go github.com/mattermost/mattermost-plugin-confluence < 1.5.0 1.5.0

Details

As written in the advisory (Markdown source, shown as plain text).

Mattermost Confluence Plugin versions < 1.5.0 fail to check user access to the channel, allowing attackers to get channel subscription details without proper access to the channel via API call to the GET autocomplete/GetChannelSubscriptions endpoint.

References

External links from the advisory. They lead to third-party sites.