CVE-2026-97064: critical vulnerability in yzcheng90 X-SpringBoot
X-SpringBoot through 6.0 Authentication Bypass via Static Master Code
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
48Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 9.3epss 0.3%
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.
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
Affected products
yzcheng90 · X-SpringBootpublic PoCs found — 1
cve_referencegithub.com/LinYuanyi1/cve-request-poc/blob/master/x-springboot/02_sms-code-account-takeover.pyunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — yzcheng90 X-SpringBoot
In the same product, most dangerous first.
CVE-2025-6731MEDIUMyzcheng90 X-SpringBoot APK File apk uploadApk path traversalEPSS 0.4%CVE-2026-100192MEDIUMX-SpringBoot through 6.0 Credential Exposure via Unauthenticated EndpointEPSS 0.3%CVE-2026-97060HIGHX-SpringBoot through 6.0 Authorization Bypass via User ManagementEPSS 0.3%CVE-2026-97063CRITICALX-SpringBoot through 6.0 Authentication Bypass via Login CodeEPSS 0.3%
References
https://github.com/LinYuanyi1/cve-request-poc/blob/master/x-springboot/02_sms-code-account-takeover.pyhttps://github.com/yzcheng90/X-SpringBoothttps://github.com/yzcheng90/X-SpringBoot/blob/d74ddba989c0449948ff1ddb0d211b6a7ce81bfa/doc/x_springboot.sql#L147https://github.com/yzcheng90/X-SpringBoot/blob/d74ddba989c0449948ff1ddb0d211b6a7ce81bfa/src/main/java/com/suke/czx/modules/sys/controller/SysLoginController.java#L94-L112https://www.vulncheck.com/advisories/x-springboot-through-6.0-authentication-bypass-via-static-master-code