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CVE-2026-112352Sunhillo SureLine Authentication Bypass via Session Cookie
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 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.
9.1 CRITICALEPSS 1.45%Not in KEVNVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 9.1 | CRITICAL | 4.0VulnCheck (CNA) | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N |
| 9.8 | CRITICAL | 3.1NVD | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 9.1 | CRITICAL | 3.1VulnCheck (CNA) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
Details
- CVE ID
- CVE-2026-112352
- Status
- Analyzed
- Assigner (CNA)
- VulnCheck
- Published
- Oct 27, 2026
- Last modified
- 2026-11-03 16:21 UTC
- Weaknesses
- CWE-565 · Reliance on Cookies without Validation and Integrity Checking
Affected Products
As published by the CNA in the CVE record.
Sunhillo CorporationSureLine1 version range
- 8.0.0 before 9.1.5