CVE-2026-126496 (CVSS 4.3)

Description

1Panel-dev CordysCRM before 1.9.6 contains an authorization bypass vulnerability in CustomerContactController.get that allows authenticated users to read other users' contacts because no organization, owner or data-scope check is applied. Attackers holding ordinary contact or customer read permission can request GET /account/contact/get/{id} with another contact's ID to obtain names, phone numbers, owners, departments, linked customers and custom fields.

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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:L/I:N/A:N

Weakness Type (CWE)

CWE-639 CWE-639

References

Other References

https://github.com/1Panel-dev/CordysCRM https://github.com/1Panel-dev/CordysCRM/blob/v1.9.5/backend/crm/src/main/java/cn/cordys/crm/customer/controller/CustomerContactController.java#L96-L102 https://github.com/1Panel-dev/CordysCRM/blob/v1.9.5/backend/crm/src/main/java/cn/cordys/crm/customer/service/CustomerContactService.java#L220-L226 https://github.com/1Panel-dev/CordysCRM/commit/a48c6587216810bfad20b398585a51c41842184e https://github.com/1Panel-dev/CordysCRM/issues/3891 https://github.com/1Panel-dev/CordysCRM/releases/tag/v1.9.6 https://www.vulncheck.com/advisories/1panel-dev-cordyscrm-before-1.9.6-authorization-bypass-via-account-contact-get-id

Frequently Asked Questions

What is CVE-2026-126496? +

1Panel-dev CordysCRM before 1.9.6 contains an authorization bypass vulnerability in CustomerContactController.get that allows authenticated users to read other users' contacts because no organization, owner or data-scope check is applied. Attackers holding ordinary contact or customer read permission can request GET /account/contact/get/{id} with another contact's ID to obtain names, phone numbers, owners, departments, linked customers and custom fields. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-126496? +

CVE-2026-126496 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-2026-126496? +

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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