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PatchSiren cyber security CVE debrief

CVE-2026-97063 yzcheng90 CVE debrief

CVE-2026-97063 is a critical vulnerability in X-SpringBoot through version 6.0. Attackers can request and read login verification codes from unauthenticated endpoints, allowing account hijacking. Defenders should verify exposure and prioritize remediation to prevent account takeover and authentication bypass. The vulnerability affects X-SpringBoot instances, and security teams should assess and remediate vulnerable systems promptly. This issue is particularly concerning due to its potential for automated attacks using known mobile numbers or email addresses.

Vendor
yzcheng90
Product
X-SpringBoot
CVSS
CRITICAL 9.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-25
Original CVE updated
2026-09-25
Advisory published
2026-09-25
Advisory updated
2026-09-25

Who should care

Defenders responsible for X-SpringBoot instances, security teams, and developers should assess exposure and prioritize remediation. This includes reviewing system configurations, checking for updates, and implementing additional security controls. The vulnerability's impact on account security and authentication processes makes it a high priority for remediation. Security teams should also consider the potential for automated attacks and take steps to hard

Why it matters

CVE-2026-97063 is a critical vulnerability in X-SpringBoot that allows attackers to hijack accounts by requesting and reading login verification codes from unauthenticated endpoints. Defenders should prioritize verifying exposure and remediating vulnerable instances to prevent account takeover and authentication bypass.

  • Account hijacking through login verification code reuse
  • Authentication bypass via unauthenticated endpoints
  • Potential for automated attacks using known mobile numbers or email addresses

Technical summary

X-SpringBoot through version 6.0 returns login verification codes in HTTP responses from unauthenticated endpoints, allowing attackers to hijack accounts. This issue arises from the insecure handling of verification codes in the system's mobile and email code endpoints. Defenders should focus on securing these endpoints and enhancing authentication controls. The vulnerability highlights the importance of secure code handling and authentication practices in X-SpringBoot deployments. Security teams should prioritize verifying exposure and remediating vulnerable instances.

Defensive priority

Defenders should prioritize verifying exposure and remediating vulnerable X-SpringBoot instances.

Recommended defensive actions

  • Verify X-SpringBoot version and exposure
  • Restrict access to login verification code endpoints
  • Implement additional authentication controls
  • Review compensating controls for exposed systems
  • Check relevant monitoring, detection, and logs for exposed assets
  • Track exceptions and retest remediated assets
  • Plan vendor-supported updates or mitigations through normal change control

Evidence notes

The CVE record and NVD entry provide details on the vulnerability. Vendor statements and additional sources are limited, but defenders can verify exposure by reviewing system configurations and checking for updates. The lack of detailed vendor guidance necessitates a cautious approach to remediation. Additional sources may include project documentation and security advisories.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-97063 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-97063

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-97063 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-97063

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://github.com/LinYuanyi1/cve-request-poc/blob/master/x-springboot/02_sms-code-account-takeover.py

    [email protected]

  • Source reference

    Unverified legacy reference

    URL: https://github.com/yzcheng90/X-SpringBoot

    [email protected]

  • Source reference

    Unverified legacy reference

    URL: https://github.com/yzcheng90/X-SpringBoot/blob/d74ddba989c0449948ff1ddb0d211b6a7ce81bfa/src/main/java/com/suke/czx/modules/sys/controller/SysLoginController.java

    [email protected]

  • Source reference

    Unverified legacy reference

    URL: https://www.vulncheck.com/advisories/x-springboot-through-6.0-authentication-bypass-via-login-code

    [email protected]

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.