CVE-2026-92455: yshop-crm through 2.1.3 Missing Authorization via CRM Customer Messaging Endpoints

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-16 · updated 2026-09-23
Weakness: CWE-862

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.

Affected products

guchengwuyue yshop-crm: through 2.1.3

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

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