CVE-2026-92455: Auth Bypass (CVSS 4.3)

Description

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.

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CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Weakness Type (CWE)

CWE-862 Missing Authorization

References

Other References

https://github.com/LinYuanyi1/cve-request-poc/blob/master/yshop-crm/C01_crm_customer_send_sms.py https://github.com/LinYuanyi1/cve-request-poc/blob/master/yshop-crm/C02_crm_customer_send_mail.py https://github.com/guchengwuyue/yshop-crm https://github.com/guchengwuyue/yshop-crm/blob/5f5810a0e1e4ab0828523ec299bf973c2f9065d7/yshop-crm/pom.xml#L30 https://github.com/guchengwuyue/yshop-crm/blob/5f5810a0e1e4ab0828523ec299bf973c2f9065d7/yshop-crm/yshop-module-crm/yshop-module-crm-biz/src/main/java/co/yixiang/yshop/module/crm/controller/admin/crmcustomer/CrmCustomerController.java#L122 https://github.com/guchengwuyue/yshop-crm/blob/5f5810a0e1e4ab0828523ec299bf973c2f9065d7/yshop-crm/yshop-module-crm/yshop-module-crm-biz/src/main/java/co/yixiang/yshop/module/crm/service/crmcustomer/CrmCustomerServiceImpl.java#L264 https://www.vulncheck.com/advisories/yshop-crm-through-2.1.3-missing-authorization-via-crm-customer-messaging-endpoints

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-92455? +

CVE-2026-92455 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2026-92455? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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