---
cve: "CVE-2026-97063"
severity: "CRITICAL"
cvss: 9.3
epss: "0.3%"
vendor: "yzcheng90"
kev: false
exploited: false
published: "2026-09-25 19:17:59"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-28T07:17:35+02:00"
---

# CVE-2026-97063

> 9.3 CRITICAL · 🧪 PoC

## Beschreibung

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.

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **poc**
  - Automatable: **yes**
  - Technical Impact: **total**

## CVSS-Vektor

```
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
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Referenzen

- <https://github.com/LinYuanyi1/cve-request-poc/blob/master/x-springboot/02_sms-code-account-takeover.py>
- <https://github.com/yzcheng90/X-SpringBoot/blob/d74ddba989c0449948ff1ddb0d211b6a7ce81bfa/src/main/java/com/suke/czx/modules/sys/controller/SysLoginController.java#L94-L134>
- <https://github.com/yzcheng90/X-SpringBoot>
- <https://www.vulncheck.com/advisories/x-springboot-through-6.0-authentication-bypass-via-login-code>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-97063) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_