CVE-2026-97064

CRITICAL 9.1

X-SpringBoot through 6.0 Authentication Bypass via Static Master Code

CVSS Score

9.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-1392
Vendor	yzcheng90
Product	x-springboot
Published	Sep 25, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Affected Versions

yzcheng90 / X-SpringBoot

0 ≤ 6.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/LinYuanyi1/cve-request-poc/blob/master/x-springboot/02_sms-code-account-takeover.py github.com: https://github.com/yzcheng90/X-SpringBoot/blob/d74ddba989c0449948ff1ddb0d211b6a7ce81bfa/doc/x_springboot.sql#L147 github.com: https://github.com/yzcheng90/X-SpringBoot/blob/d74ddba989c0449948ff1ddb0d211b6a7ce81bfa/src/main/java/com/suke/czx/modules/sys/controller/SysLoginController.java#L94-L112 github.com: https://github.com/yzcheng90/X-SpringBoot vulncheck.com: https://www.vulncheck.com/advisories/x-springboot-through-6.0-authentication-bypass-via-static-master-code

Credits

Yaqi Chao Mingsheng Lin