{"id":"CVE-2026-93848","revision":"5ce2d13fbc914b6c91009804628a6fed","records":[{"revision":"5ce2d13fbc914b6c91009804628a6fed","observedAt":"2026-10-26T17:35:31.029+00:00","statement":{"source":"cve-program","id":"CVE-2026-93848","aliases":[],"title":"Mattermost OpenID discovery endpoint request bypasses outbound connection filtering, allowing SSRF by a System Administrator","description":"Mattermost versions 11.7.x <= 11.7.10 fail to apply outbound internal-connection filtering to the OpenID discovery endpoint request which allows a System Administrator to determine whether internal addresses and ports are reachable from the server via an unauthenticated login request that triggers the discovery fetch.. Mattermost Advisory ID: MMSA-2026-00774","state":0,"publishedAt":"2026-10-26T14:28:23.565+00:00","modifiedAt":"2026-10-26T16:46:45.446+00:00","affected":[{"ecosystem":"Vendor product","name":"Mattermost","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"product\": \"Mattermost\",\n                    \"vendor\": \"Mattermost\",\n                    \"versions\": [\n                        {\n                            \"lessThanOrEqual\": \"11.7.10\",\n                            \"status\": \"affected\",\n                            \"version\": \"11.7.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"11.11.0\",\n                            \"status\": \"unaffected\"\n                        },\n                        {\n                            \"version\": \"11.7.11\",\n                            \"status\": \"unaffected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","score":2.7,"severity":"LOW"}],"references":["https://mattermost.com/security-updates"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-93848","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-93848","identifiers":["CVE-2026-93848"]},"retained":false,"historicalAffected":[]}],"coverage":[]}