{"id":"CVE-2026-74865","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-74865","generatedAt":"2026-10-28T10:36:29.063Z","title":"This causes the password to be bypassed during HTTP Basic authentication.","description":"sogo_yhn configures SOGo with a parameter \"SOGoTrustProxyAuthentication=YES\". This causes the password to be bypassed during HTTP Basic authentication. An unauthenticated attacker who provides the username of an existing user and any arbitrary password can successfully log in to that user's account.\n\n\nThis issue was fixed in version 5.8.0~ynh9.","published":"2026-09-30T13:17:20.000Z","lastModified":"2026-09-30T19:57:08.000Z","status":"Deferred","sourceIdentifier":"cvd@cert.pl","cvss":{"version":"4.0","score":9.2,"severity":"CRITICAL","vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-639"],"affected":[],"epss":{"score":0.00379,"percentile":0.31754,"date":"2026-10-27","history":[{"date":"2026-10-01","score":0.00491,"percentile":0.39919}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-09-30T13:17:20.000Z","detail":{"score":"9.2","severity":"CRITICAL","publishedAt":"2026-09-30T13:17:20.083Z"},"summary":"New CVE, critical severity (CVSS 9.2)."}],"references":[{"url":"https://cert.pl/en/posts/2026/09/CVE-2026-74864","source":"cvd@cert.pl"},{"url":"https://forum.yunohost.org/t/sogo-critical-vulnerability-fixed-in-5-8-0-ynh9/42699","source":"cvd@cert.pl"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74865","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}