Vulnerability record · CVE-2026-97063 · published 25 September 2026

CVE-2026-97063: Improper authentication vulnerability

X-SpringBoot through 6.0 returns login verification codes in HTTP responses from unauthenticated endpoints GET /sys/mobile/code and GET /sys/email/code without sending them to account owners. Attackers can request codes using known mobile numbers or email addresses, read them from responses, and authenticate as victims via POST /sys/emailOrMobileLogin/login to hijack accounts.

9.3 CVSS 4.0 Critical EPSS 0.29% · top 80.4% CWE-287 · Improper authentication Received

9.3CVSS 4.0 base score

0.29%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

4References

25 Sep 2026Last modified by NVD

Description

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

Link	Tags
https://github.com/LinYuanyi1/cve-request-poc/blob/master/x-springboot/02_sms-code-account-takeover.py
https://github.com/yzcheng90/X-SpringBoot
https://github.com/yzcheng90/X-SpringBoot/blob/d74ddba989c0449948ff1ddb0d211b6a7ce81bfa/src/main/java/com/suke/czx/modul
https://www.vulncheck.com/advisories/x-springboot-through-6.0-authentication-bypass-via-login-code

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-97063), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.