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CVE-2026-86183— diem-project diem dmWidget BasedmWidgetActions.class.php authorization

Quick assessment

Affected
diem-project diem
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 Diem 项目中（截至 5.1.3 版本）发现了一个漏洞。该漏洞位于组件 的文件 中的某段未知代码中。对参数 的特定操作会导致授权绕过。该攻击可远程发起，且利用代码已公开，可能被利用。补丁编号为 ，应应用该补丁以修复此问题。项目方虽已早期通过问题报告得知该问题，但截至目前尚未作出响应。

CVSS 5.3 · Medium
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I. Basic Information for CVE-2026-86183

Vulnerability Information
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Vulnerability Title
diem-project diem dmWidget BasedmWidgetActions.class.php authorization
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in diem-project diem up to 5.1.3. This vulnerability affects unknown code of the file dmFrontPlugin/modules/dmWidget/lib/BasedmWidgetActions.class.php of the component dmWidget. Such manipulation of the argument widget_id leads to authorization bypass. The attack may be launched remotely. The exploit is publicly available and might be used. The name of the patch is 116974edfb9a5b8bd69cb13586dc62bcdbb485ad. A patch should be applied to remediate this issue. The project was informed of the problem early through an issue report but has not responded yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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

Affected Products

Vendor Product Affected Versions CPE Subscribe
diem-project diem 5.1.0 cpe:2.3:a:diem-project:diem:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-86183

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III. Intelligence Information for CVE-2026-86183

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Vendor Advisories for CVE-2026-86183 (1)

Other References for CVE-2026-86183 (1)

Other References for CVE-2026-86183 (4)

IV. Related Vulnerabilities

Same product: diem
Same vendor: diem-project
Same weakness: CWE-639

V. Comments for CVE-2026-86183

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