What is CVE-2026-82679?

CVE-2026-82679 is a medium-severity vulnerability in Diem-Project Diem, classified under Improper Access Control. CVSS score: 6.3/10. Published 2026-08-31.

How severe is CVE-2026-82679?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Arbitrary file upload in Diem-Project Diem

CVE-2026-82679

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.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Diem-project Diem — versions 5.1.0, 5.1.1, 5.1.2

Weakness classification (CWE)

References

cna@vuldb.com (vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (issue-tracking, exploit)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-82679?: CVE-2026-82679 is a medium-severity vulnerability in Diem-Project Diem, classified under Improper Access Control. CVSS score: 6.3/10. Published 2026-08-31.
How severe is CVE-2026-82679?: Medium severity. CVSS v3 base score is 6.3 out of 10.