Low severityNVD Advisory· Published Aug 11, 2025· Updated Aug 11, 2025
Lack of Authorization on Get Channel Subscriptions for Autocomplete in Mattermost Confluence Plugin
CVE-2025-53857
Description
Mattermost Confluence Plugin version <1.5.0 fails to check the access of the user to the channel which allows attackers to get channel subscription details without proper access to the channel via API call to the GET autocomplete/GetChannelSubscriptions endpoint.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/mattermost/mattermost-plugin-confluenceGo | < 1.5.0 | 1.5.0 |
Affected products
3- ghsa-coords2 versionspkg:golang/github.com/mattermost/mattermost-plugin-confluencepkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Tumbleweed
< 1.5.0+ 1 more
- (no CPE)range: < 1.5.0
- (no CPE)range: < 0.0.20250818T190335-1.1
- Range: 0
Patches
Vulnerability mechanics
References
3- github.com/advisories/GHSA-42m6-5vm7-fjv2ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-53857ghsaADVISORY
- mattermost.com/security-updatesghsaWEB
News mentions
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