CVE-2026-82679
MediumCVSS 6.3Exploitation Probability (EPSS)
Low risk11th percentile - higher than 11% of all known CVEs
Summary
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.
Risk Assessment
Unrestricted file upload can allow an attacker to upload malicious files to the server, potentially leading to code execution, server compromise, or malware distribution. The publicly available exploit increases the risk of attack.
Recommendation
Immediately restrict access to the Widget Editor component and implement file upload validation mechanisms. Also monitor logs for suspicious uploads and consider temporarily disabling the feature if possible.
Other vulnerabilities in diem
See all- CVE-2026-86183Medium
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.
- CVE-2026-86182Medium
A vulnerability was determined in diem-project diem up to 5.1.3. This affects the function executeCommand of the file dmAdminPlugin/modules/dmConsole/actions/actions.class.php of the component dmConsole. This manipulation of the argument dm_command causes cross-site request forgery. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
- CVE-2026-82678Medium
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.
Original NVD description (English source)
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.

