CVE-2026-41141— EspoCRM: IDOR in EmailTemplate Prepare Endpoint Leaks Entity Data via Email Address Lookup
Possible ATT&CK Techniques 2AI
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I. Basic Information for CVE-2026-41141
Vulnerability Information
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Vulnerability Title
EspoCRM: IDOR in EmailTemplate Prepare Endpoint Leaks Entity Data via Email Address Lookup
Source: CVE Program / CVE List V5
Vulnerability Description
EspoCRM is an open source customer relationship management application. Prior to 9.3.5, the POST /api/v1/EmailTemplate/:id/prepare endpoint accepts an emailAddress parameter and resolves the owning entity (Contact, Lead, Account, or User) without performing an ACL check. An authenticated user with EmailTemplate read permission can extract all field values of any entity by supplying the target's email address, bypassing read: own or read: team ACL restrictions. This vulnerability is fixed in 9.3.5.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
EspoCRM 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
EspoCRM是EspoCRM开源的一套开源的基于Web的客户关系管理系统（CRM）。该系统提供销售自动化、社区和客户支持等功能。 EspoCRM 9.3.5之前版本存在安全漏洞，该漏洞源于POST /api/v1/EmailTemplate/:id/prepare端点接受emailAddress参数并在未执行ACL检查的情况下解析拥有实体，使得经过身份验证且拥有EmailTemplate读取权限的用户可提取任何实体的所有字段值，绕过读取限制。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-41141
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Vendor Advisories for CVE-2026-41141 (1)
IV. Related Vulnerabilities
Same product: espocrm
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EspoCRM: Broken Access Control / IDOR in Note Pinning API al - CVE-2026-33741
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Same vendor: espocrm
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EspoCRM: Broken Access Control / IDOR in Note Pinning API al - CVE-2026-33741
EspoCRM: Stored XSS via SVG attachment loading same-origin J - CVE-2026-33733
EspoCRM has Admin TemplateManager path traversal that allows - CVE-2026-33656
EspoCRM vulnerable to authenticated RCE via Formula with pat - CVE-2026-33740
EspoCRM: Email importEml can import and delete another user'
Same weakness: CWE-639
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V. Comments for CVE-2026-41141
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