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CVE-2026-82679— diem-project diem Widget Editor dmWidgetContentBaseMediaForm.php unrestricted upload

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.

diem-project diem是diem-project组织的一款服务器类网络设备。 diem-project diem 5.1.3及之前版本存在安全漏洞，该漏洞源于Widget Editor组件中dmFrontPlugin/lib/dmWidget/media/dmWidgetContentBaseMediaForm.php文件存在未知功能，可能导致无限制上传，攻击者可远程发起攻击。

CVSS 6.3 · Medium EPSS 0.37% · P29

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 4

VendorProduct Version RangeStatus
diem-project diem 5.1.0 affected
5.1.1 affected
5.1.2 affected
5.1.3 affected
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I. Basic Information for CVE-2026-82679

Vulnerability Information
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Vulnerability Title
diem-project diem Widget Editor dmWidgetContentBaseMediaForm.php unrestricted upload
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in diem-project diem up to 5.1.3. The impacted element is an unknown function of the file dmFrontPlugin/lib/dmWidget/media/dmWidgetContentBaseMediaForm.php of the component Widget Editor. Performing a manipulation results in unrestricted upload. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. 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:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
diem-project diem 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
diem-project diem是diem-project组织的一款服务器类网络设备。 diem-project diem 5.1.3及之前版本存在安全漏洞，该漏洞源于Widget Editor组件中dmFrontPlugin/lib/dmWidget/media/dmWidgetContentBaseMediaForm.php文件存在未知功能，可能导致无限制上传，攻击者可远程发起攻击。
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

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

II. Public POCs for CVE-2026-82679

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III. Intelligence Information for CVE-2026-82679

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Security Blog Posts for CVE-2026-82679 (1)

Other References for CVE-2026-82679 (4)

IV. Related Vulnerabilities

Same product: diem
Same vendor: diem-project
Same weakness: CWE-434

V. Comments for CVE-2026-82679

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