CVE-2026-97063

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.

Score

CVSS 4.0 9.3 Critical

Status

Awaiting Analysis - disclosure@vulncheck.com

Published

2026-09-25

Last modified

2026-09-25

Weaknesses

CWE-287

Affected products

• X-springboot (Yzcheng90)

References

• 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/modu…
• https://www.vulncheck.com/advisories/x-springboot-through-6.0-authentication-bypass-via-login-code