CVE-2026-120447 PUBLISHED

HotGo 2.8.4 through 2.15.1 Authentication Bypass via Client-Set SMS Verification Code

Assigner: VulnCheck
Reserved: 02.11.2026 Published: 02.11.2026 Updated: 02.11.2026

HotGo 2.8.4 through 2.15.1 contains an authentication bypass vulnerability that allows unauthenticated attackers to choose the SMS login verification code by supplying the Code field to /admin/sms/send. Attackers who know a user's mobile number can set a known code and sign in through /admin/site/mobileLogin to take over accounts, including administrators.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 9.2

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	Present	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 8.1

Attack Vector	Network	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	bufanyun
Product	HotGo
Versions	Default: unaffected affected from 2.8.4 to 2.15.1 (incl.)

CVE-2026-120447 PUBLISHED

HotGo 2.8.4 through 2.15.1 Authentication Bypass via Client-Set SMS Verification Code

Metrics

Product Status

Credits

References

Problem Types