CVE-2026-97064

X-SpringBoot through 6.0 Authentication Bypass via Static Master Code

CRITICAL 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.

Affected: yzcheng90 · X-SpringBoot
CVSS v4.0 VULNCHECK: 9.3 CRITICALCVSS: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:X/V:X/RE:X/U:X
CVSS v3.1 VULNCHECK: 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS: 0.30% chance of exploitation in the next 30 days, 21st percentile
Published: 2026-09-25
Updated: 2026-09-30

Proof-of-concept exploits (1)

LinYuanyi1/cve-request-poc/blob/master/x-springboot/02_sms-code-account-takeover.py1★ · 2026-09-19

References

CVE Record
NVD entry