{"id":"CVE-2026-74864","title":"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 cl…","summary":"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 cl…","severity":"critical","cvss":9.3,"cvssVector":"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","cwe":["CWE-639"],"vendor":"YunoHost-Apps","product":"sogo_yhn","affected":["sogo_yhn < 5.8.0~ynh9"],"published":"2026-09-30","updated":"2026-09-30","sourceUpdated":"2026-09-30T13:17:19.913","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-74864","references":[{"url":"https://cert.pl/en/posts/2026/09/CVE-2026-74864","label":"cvd@cert.pl"},{"url":"https://forum.yunohost.org/t/sogo-critical-vulnerability-fixed-in-5-8-0-ynh9/42699","label":"cvd@cert.pl"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-09-30T12:50:42.911688Z"},"cvssSource":"cna","ingestedAt":"2026-09-30T13:03:51.964Z","slug":"CVE-2026-74864","body":"## Overview\n\nsogo_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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":51,"depthScoreParts":{"impact":51.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}