{"id":"CVE-2026-74864","revision":"888f5dca45ed4f0ba4c154b1cd22b74d","records":[{"revision":"888f5dca45ed4f0ba4c154b1cd22b74d","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-74864","aliases":[],"title":"Authentication Bypass in sogo_yhn","description":"sogo_yhn configures SOGo with a parameter that forces the request with HTTP header \"x-webobjects-remote-user\" to be treated as sent by a verified user without performing password validation.\u00A0Since Nginx does not strip this header, any client can supply it arbitrarily and gain access as any user, including a privileged user, without providing a password.\n\n\n\n\nThis issue was fixed in version\u00A05.8.0~ynh9.","state":0,"publishedAt":"2026-09-30T12:02:29.34+00:00","modifiedAt":"2026-09-30T12:50:52.363+00:00","affected":[{"ecosystem":"Vendor product","name":"sogo_yhn","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"YunoHost-Apps\",\n                    \"product\": \"sogo_yhn\",\n                    \"repo\": \"https://github.com/YunoHost-Apps/sogo_ynh\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.8.0~ynh9\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":9.3,"severity":"CRITICAL"}],"references":["https://cert.pl/en/posts/2026/09/CVE-2026-74864","https://forum.yunohost.org/t/sogo-critical-vulnerability-fixed-in-5-8-0-ynh9/42699"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-74864","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-74864","identifiers":["CVE-2026-74864"]},"retained":false,"historicalAffected":[]}],"coverage":[]}