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CVE-2026-112138— diem-project diem dmCodeEditor actions.class.php join path traversal

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-project 的 diem 项目（版本 5.1.3 及以下）中发现了一个漏洞。受影响的组件是 dmCodeEditor，具体位于文件 中的 函数。执行特定操作可能导致路径遍历漏洞。该攻击可远程发起，且利用方法已公开，可能被利用。项目方已通过问题报告提前获知此问题，但截至目前尚未作出回应。

CVSS 4.7 · Medium

Possible ATT&CK Techniques 1 AI

T1585 · Establish Accounts
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I. Basic Information for CVE-2026-112138

Vulnerability Information
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Vulnerability Title
diem-project diem dmCodeEditor actions.class.php join path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in diem-project diem up to 5.1.3. The impacted element is the function dmOs::join of the file dmFrontPlugin/modules/dmCodeEditor/actions/actions.class.php of the component dmCodeEditor. Executing a manipulation can lead to path traversal. The attack can be launched remotely. The exploit has been published and may be used. 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:H/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
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-2026-112138

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III. Intelligence Information for CVE-2026-112138

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Other References for CVE-2026-112138 (2)

Same Patch Batch · diem-project · 2026-10-19 · 7 CVEs total

CVE-2026-112040 4.3 MEDIUM diem-project diem Sign-In BasedmUserActions.class.php redirect
CVE-2026-112041 3.7 LOW diem-project diem dmString.php random weak prng
CVE-2026-112037 3.7 LOW diem-project diem Google Analytics Client gapi.class.php certificate validation
CVE-2026-112042 3.5 LOW diem-project diem dmWidget dmBaseLinkTag.php text cross site scripting
CVE-2026-112038 2.4 LOW diem-project diem Version Check Service dmAdminCtrl.js html cross site scripting
CVE-2026-112039 2.4 LOW diem-project diem Administrative Console actions.class.php append cross site scripting

IV. Related Vulnerabilities

Same product: diem
Same vendor: diem-project
Same weakness: CWE-22

V. Comments for CVE-2026-112138

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