Vulnerability · Published Aug 31, 2026 · Assigned by VulDB
CVE-2026-82679diem-project diem Widget Editor dmWidgetContentBaseMediaForm.php unrestricted upload
Medium 6.3
In plain English
A medium-severity unrestricted file upload in diem from diem-project. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| diem-project | diem | 5.1.05.1.15.1.25.1.3 |
Weakness: CWE-434, CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-397174 | diem-project diem Widget Editor dmWidgetContentBaseMediaForm.php unrestricted upload vdb-entry
- VDB-397174 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-82679 | CVE Analysis and Report third-party-advisory
- Submit #894026 | diem-project diem 116974edfb9a5b8bd69cb13586dc62bcdbb485ad Code Injection third-party-advisory
- https://github.com/diem-project/diem/issues/448 exploit, issue-tracking
- https://github.com/diem-project/diem/ product