{"affected":[{"defaultStatus":"unaffected","product":"HotGo","source":"CNA: VulnCheck","vendor":"bufanyun","versions":[{"lessThanOrEqual":"2.15.1","status":"affected","version":"0","versionType":"semver"}]}],"cveId":"CVE-2026-120447","cwes":["CWE-287"],"description":"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.","epss":null,"exploits":[{"kind":"exploit","source":"CNA: VulnCheck","url":"https://vul.yulun.ac.cn/20261102/hotgo/"}],"kev":null,"metrics":[{"score":9.2,"severity":"critical","source":"CNA: VulnCheck","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","version":"4.0"},{"score":8.1,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}],"modifiedAt":1793629746746,"publishedAt":1793629746746,"references":[{"source":"CNA: VulnCheck","tags":["issue-tracking"],"url":"https://github.com/bufanyun/hotgo/issues/240"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/bufanyun/hotgo/commit/cb57056c746650e6ff86dec1e97d404b63dcfd30"},{"source":"CNA: VulnCheck","tags":["exploit"],"url":"https://vul.yulun.ac.cn/20261102/hotgo/"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/bufanyun/hotgo/blob/269b2f9e435cf8ff6b18d53bc053a905f4e02d11/server/internal/logic/sys/sms_log.go"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/bufanyun/hotgo/blob/269b2f9e435cf8ff6b18d53bc053a905f4e02d11/server/internal/model/input/sysin/sms_log.go"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/hotgo-through-2.15.1-authentication-bypass-via-client-set-sms-verification-code"}],"remediation":[],"revision":"7f9103e0a3e0ef3116a753413244227d40f13a54c69e21d3fc01f2618fb704aa","sources":[{"modifiedAt":1793629746746,"name":"CNA: VulnCheck","retrievedAt":1793632130732,"url":"https://www.cve.org/CVERecord?id=CVE-2026-120447"}],"ssvc":null,"status":"published","title":"HotGo through 2.15.1 Authentication Bypass via Client-Set SMS Verification Code","updatedAt":1793632130732}