Paper/Archive/CVE-2026-120447

CVE-2026-120447

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

CVSS 9.2 (CNA)9.2 / 10 × 3027.6 Not in CISA KEV+300.0 No EPSS score.000 × 200.0 No public exploit+100.0 SSVC exploitation: unknown+100.0

Description · from the CVE record

HotGo 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.

Affected

ProductAffectedFixed inSource

HotGo≤ 2.15.1–CNA

Scores by source

VulnCheck (CNA)9.2CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

VulnCheck (CNA)8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refgithub.com/bufanyun/hotgo/issues/240 patchgithub.com/bufanyun/hotgo/commit/cb57056c746650e6ff86dec1e97d404b63dcfd30 exploitvul.yulun.ac.cn/20261102/hotgo writeupgithub.com/bufanyun/hotgo/blob/269b2f9e435cf8ff6b18d53bc053a905f4e02d11/server/internal/logic/sys/sms_log.go writeupgithub.com/bufanyun/hotgo/blob/269b2f9e435cf8ff6b18d53bc053a905f4e02d11/server/internal/model/input/sysin/sms_log.go writeupvulncheck.com/advisories/hotgo-through-2.15.1-authentication-bypass-via-client-set-sms-verification-code