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CVE-2026-113600— Fat Free CRM before 0.26.0 IDOR via CommentsController update and destroy

Quick assessment

Affected
fatfreecrm fat_free_crm
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 0.26.0 版本之前的 Fat Free CRM 存在不安全的直接对象引用漏洞，该漏洞允许已认证用户修改或删除其他用户的评论。原因是 CommentsController 中的 update 和 destroy 方法使用了未加范围限制的 Comment.find 调用，且缺乏相应的授权检查。攻击者可向 /comments/:id 端点发送 PUT 或 DELETE 请求，并利用可枚举的连续 ID，从而编辑或删除由他人拥有的联系人、账户、潜在客户及商机相关的评论。

CVSS 5.4 · Medium

Possible ATT&CK Techniques 1 AI

T1530.002

Affected Version Matrix 1

VendorProduct Version RangeStatus
fatfreecrm fat_free_crm < 0.26.0 affected
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I. Basic Information for CVE-2026-113600

Vulnerability Information
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Vulnerability Title
Fat Free CRM before 0.26.0 IDOR via CommentsController update and destroy
Source: CVE Program / CVE List V5
Vulnerability Description
Fat Free CRM before 0.26.0 contains an insecure direct object reference vulnerability that allows authenticated users to modify or delete other users' comments because CommentsController#update and #destroy use an unscoped Comment.find without authorization checks. Attackers can send PUT or DELETE requests to /comments/:id with enumerable sequential IDs to edit or delete comments on contacts, accounts, leads, and opportunities owned by others.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
fatfreecrm fat_free_crm 0 ~ 0.26.0 -

II. Public POCs for CVE-2026-113600

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III. Intelligence Information for CVE-2026-113600

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Other References for CVE-2026-113600 (5)

IV. Related Vulnerabilities

Same product: fat_free_crm
Same vendor: fatfreecrm
Same weakness: CWE-639

V. Comments for CVE-2026-113600

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