CVE-2025-53857 – github.com/mattermost/mattermost-plugin-confluence

Package

Manager: go
Name: github.com/mattermost/mattermost-plugin-confluence
Vulnerable Version: >=0 <1.5.0

Severity

Level: Low

CVSS v3.1: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS v4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

EPSS: 0.00037 pctl0.09853

Details

Mattermost Confluence Plugin has Missing Authorization vulnerability 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.

Metadata

Created: 2025-08-11T21:31:40Z
Modified: 2025-08-11T23:24:45Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/08/GHSA-42m6-5vm7-fjv2/GHSA-42m6-5vm7-fjv2.json
CWE IDs: ["CWE-862"]
Alternative ID: GHSA-42m6-5vm7-fjv2
Finding: F039
Auto approve: 1