{"schema_version":"1.3.1","id":"GO-2026-6280","modified":"2026-08-25T19:43:10Z","published":"2026-08-25T19:43:10Z","aliases":["CVE-2026-7387","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 in github.com/mattermost/mattermost-server","details":"Mattermost doesn't require role-management authorization when setting the scheme_admin flag on group syncable link and patch endpoints in github.com/mattermost/mattermost-server","affected":[{"package":{"name":"github.com/mattermost/mattermost-server","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"10.11.0+incompatible"},{"fixed":"10.11.17+incompatible"},{"introduced":"11.5.0+incompatible"},{"fixed":"11.5.5+incompatible"},{"introduced":"11.6.0+incompatible"},{"fixed":"11.6.1+incompatible"}]}],"ecosystem_specific":{}},{"package":{"name":"github.com/mattermost/mattermost-server/v5","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{}},{"package":{"name":"github.com/mattermost/mattermost-server/v6","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{}},{"package":{"name":"github.com/mattermost/mattermost/server/v8","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"8.0.0-20250731163400-5b955468ea1e"},{"fixed":"8.0.0-20260506065351-202d125afa87"}]}],"ecosystem_specific":{}}],"references":[{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-6hxm-w4hv-vgvw"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-7387"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/1ce2484a00c9821ee19708d2c46720e4855033a9"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/202d125afa87fe39611686850fd82590c99ca344"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/8c72083414e675c97987374395e36d1f36b4bd8a"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/a9e574a82633915f22071f0d7ca2b006f249ec2a"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/d5f29c8ebbeb04460d16d9e2635ce50deeb78428"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/pull/36316"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/pull/36423"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/pull/36431"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/pull/36432"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/pull/36434"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/releases/tag/v10.11.16"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/releases/tag/v11.5.5"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/releases/tag/v11.6.2"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/releases/tag/v11.7.0"},{"type":"WEB","url":"https://mattermost.com/security-updates"}],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-6280","review_status":"UNREVIEWED"}}