{"action":"Upgrade github.com/mattermost/mattermost-server to 10.11.17 or later.","affected":[{"fixed":"11.6.1","introduced":"11.6.0"},{"fixed":"11.5.5","introduced":"11.5.0"},{"fixed":"10.11.17","introduced":"10.11.0"}],"component":"github.com/mattermost/mattermost-server","cve_ids":["CVE-2026-7387"],"ecosystem":"Go","epss":0.0031,"exploited":false,"fixed_versions":["11.6.1","11.5.5","10.11.17"],"ghsa_id":"GHSA-6hxm-w4hv-vgvw","id":"tcs_01M5KF0AAHP872GXH1J6W2QC0V","modified_at":"2026-08-26T01:21:46.381626037Z","published_at":"2026-06-12T18:31:59Z","references":["https://osv.dev/vulnerability/GHSA-6hxm-w4hv-vgvw","https://nvd.nist.gov/vuln/detail/CVE-2026-7387","https://github.com/mattermost/mattermost/pull/36434","https://github.com/mattermost/mattermost/pull/36432","https://github.com/mattermost/mattermost/pull/36431","https://github.com/mattermost/mattermost/pull/36423","https://github.com/mattermost/mattermost/pull/36316","https://github.com/mattermost/mattermost/commit/d5f29c8ebbeb04460d16d9e2635ce50deeb78428","https://github.com/mattermost/mattermost/commit/a9e574a82633915f22071f0d7ca2b006f249ec2a","https://github.com/mattermost/mattermost/commit/8c72083414e675c97987374395e36d1f36b4bd8a","https://github.com/mattermost/mattermost/commit/202d125afa87fe39611686850fd82590c99ca344","https://github.com/mattermost/mattermost/commit/1ce2484a00c9821ee19708d2c46720e4855033a9","https://github.com/mattermost/mattermost/releases/tag/v10.11.16","https://github.com/mattermost/mattermost/releases/tag/v11.5.5","https://github.com/mattermost/mattermost/releases/tag/v11.6.2","https://github.com/mattermost/mattermost/releases/tag/v11.7.0","https://mattermost.com/security-updates","https://github.com/mattermost/mattermost"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"GHSA-6hxm-w4hv-vgvw","url":"https://osv.dev/vulnerability/GHSA-6hxm-w4hv-vgvw"}],"summary":"Mattermost doesn't require role-management authorization when setting the scheme_admin flag on group syncable link and patch endpoints"}