{"id":"CVE-2026-112352","title":"Sunhillo SureLine Authentication Bypass via Session Cookie","summary":"Sunhillo SureLine before 9.1.5 contains an authentication bypass vulnerability that allows an unauthenticated remote attacker to impersonate any user with an active web session by forging a session cookie containing only a cleartext user…","severity":"critical","cvss":9.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","cvssSource":"cna","cwe":["CWE-565"],"vendor":"Sunhillo Corporation","product":"SureLine","affected":["SureLine >= 8.0.0 < 9.1.5"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-28T14:58:19.702469Z"},"published":"2026-10-27","updated":"2026-10-28","sourceUpdated":"2026-10-28T16:13:31.837Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-112352","references":[{"url":"https://www.sunhillo.com/product/sureline/","label":"Product Webpage"},{"url":"https://www.vulncheck.com/advisories/sunhillo-sureline-authentication-bypass-via-session-cookie","label":"VulnCheck Advisory: Sunhillo SureLine Authentication Bypass via Session Cookie"}],"tags":["cve.org"],"epss":0.01319,"epssPercentile":0.70722,"ingestedAt":"2026-10-27T19:54:27.799Z","slug":"CVE-2026-112352","body":"## Overview\n\nSunhillo SureLine before 9.1.5 contains an authentication bypass vulnerability that allows an unauthenticated remote attacker to impersonate any user with an active web session by forging a session cookie containing only a cleartext username with no random identifier or integrity protection. Attackers can guess default account names such as Admin or sftp_user and submit a forged username cookie to satisfy the login check in checkLogin (libwebcmn.so) and networkDiag.cgi, chaining into root command execution.\n\n## Affected\n\n- `SureLine >= 8.0.0 < 9.1.5`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":50,"depthScoreParts":{"impact":50.1,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}