What’s Vulnerable › Vulnerabilities

CVE-2026-97064: X-SpringBoot through 6.0 Authentication Bypass via Static Master Code

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-25 · updated 2026-09-30
• Weakness: CWE-1392

Description

X-SpringBoot through 6.0 ships with a hardcoded static master login verification code 172839 enabled by default in the database seed. Unauthenticated attackers can authenticate as any user by submitting the public master code to the emailOrMobileLogin endpoint with a known email or mobile number.

Affected products

• yzcheng90 X-SpringBoot: through 6.0

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/doc/x_springboot.sql#L147
• https://github.com/yzcheng90/X-SpringBoot/blob/d74ddba989c0449948ff1ddb0d211b6a7ce81bfa/src/main/java/com/suke/czx/modules/sys/controller/SysLoginController.java#L94-L112
• https://www.vulncheck.com/advisories/x-springboot-through-6.0-authentication-bypass-via-static-master-code

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