What is CVE-2026-92455?

CVE-2026-92455 is a medium-severity vulnerability in Guchengwuyue Yshop-Crm, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-09-16.

How severe is CVE-2026-92455?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Guchengwuyue Yshop-Crm

CVE-2026-92455

yshop-crm through 2.1.3 fails to enforce authorization on the sendSms and sendMail endpoints in CrmCustomerController, allowing any authenticated back-office user to send SMS and email to arbitrary customers. Attackers can invoke POST /admin-api/crm/customer/send-sms and POST /admin-api/crm/customer/send-mail with arbitrary customerIds, templateCode, and templateParams to deliver unauthorized messages through the organization's SMS and email channels.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Guchengwuyue Yshop-crm

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-92455?: CVE-2026-92455 is a medium-severity vulnerability in Guchengwuyue Yshop-Crm, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-09-16.
How severe is CVE-2026-92455?: Medium severity. CVSS v3 base score is 4.3 out of 10.