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Diem CMS EUVDEUVD-2026-68459

| CVE-2026-82678 LOW
OS Command Injection (CWE-78)
2026-08-31 VulDB GHSA-vwww-f8pq-w55x
PHP Command Injection Diem Diem Project
2.0
CVSS 4.0 · Vendor: VulDB

Severity by source

Vendor (VulDB) PRIMARY
2.0 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
9.1 CRITICAL

Network-accessible OS command injection requires admin auth (PR:H); scope changes as injected commands execute at OS level beyond the web app boundary, yielding full C/I/A impact.

3.1 AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
X

Lifecycle Timeline

4
Severity Changed
Aug 31, 2026 - 11:22 NVD
MEDIUM LOW
CVSS changed
Aug 31, 2026 - 11:22 NVD
5.1 (MEDIUM) 2.0 (LOW)
Analysis Generated
Aug 31, 2026 - 11:13 vuln.today
CVE Published
Aug 31, 2026 - 10:15 cve.org
MEDIUM 5.1

DescriptionCVE.org

A vulnerability was identified in diem-project diem up to 5.1.3. The affected element is the function executeCommand of the file dmAdminPlugin/modules/dmConsole/actions/actions.class.php of the component Administrative Console. Such manipulation of the argument dm_command leads to os command injection. The attack can be launched remotely. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.

AnalysisAI

OS command injection in the Diem CMS Administrative Console (diem-project/diem ≤ 5.1.3) allows authenticated administrators to execute arbitrary operating system commands on the host server via the unsanitized dm_command argument of the executeCommand function in dmAdminPlugin/modules/dmConsole/actions/actions.class.php. Publicly available exploit code exists via GitHub issue #447, and the project maintainers have not responded to the responsible disclosure report. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation Exploitation requires valid high-privilege (administrator-level) authentication to the Diem CMS backend, consistent with PR:H in the CVSS 4.0 vector. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:H/UI:N, score 5.1) reflects network-accessible exploitation gated by high-privilege authentication, and the E:P supplemental metric acknowledges publicly available exploit code. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation No vendor-released patch has been identified at time of analysis, and the project maintainers have not responded to the responsible disclosure. … Detailed patch versions, workarounds, and compensating controls in full report.
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EUVD-2026-68459 vulnerability details – vuln.today
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