{"schema":"threatline.record/2","record":{"id":"CVE-2026-74864","aliases":[],"summary":"Authentication Bypass in sogo_yhn","details":"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. Since 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 5.8.0~ynh9.","categories":["Unclassified"],"product":"sogo_yhn","vendor":"YunoHost-Apps","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-74864","source_modified_at":"2026-09-30T12:50:52.363Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"sogo_yhn","vendor":"YunoHost-Apps","versions":[{"status":"affected","version":"0","lessThan":"5.8.0~ynh9","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-74864","source_modified_at":"2026-09-30T12:50:52.363Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"sogo_yhn","ecosystem":null},"version":"5.8.0~ynh9","basis":"first unaffected version stated in the CVE record"}],"cvss":9.3,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.00406,"percentile":0.33817,"score_date":"2026-10-23"},"published_at":"2026-09-30T12:02:29.340Z","modified_at":"2026-09-30T12:50:52.363Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-74864","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-09-30T12:50:52.363Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-74864","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://cert.pl/en/posts/2026/09/CVE-2026-74864","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://forum.yunohost.org/t/sogo-critical-vulnerability-fixed-in-5-8-0-ynh9/42699","tags":["issue-tracking"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"total","assessed_at":"2026-09-30T12:50:42.911688Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-09-30T12:50:52.363Z","content_hash":"55edb8651a48267545440a8c442828f067d9efe6f25bed87656d3c8093da9a54"}}