CVE-2026-112352: sunhillo sureline

CVSS 9.8 (critical) · published 2026-10-27

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.

Affected products (NVD): sunhillo sureline

Fixed in (NVD): 9.1.5

Weakness: CWE-565

Source: NVD CVE-2026-112352

References

• https://www.sunhillo.com/product/sureline/
• https://www.vulncheck.com/advisories/sunhillo-sureline-authentication-bypass-via-session-cookie

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