CVE-2026-82679CWE-284CWE-434broken-access-controlunrestricted-file-upload

CVE-2026-82679

Medium · published August 31, 2026

CVSS v3.1
6.3
EPSS
0%
Percentile
29.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00366 · 29.2th percentile
Weaknesses
CWE-284 · Improper Access Control; CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2026-08-31T15:16Z
References (6)
https://github.com/diem-project/diem/ · [email protected]https://github.com/diem-project/diem/issues/448 · [email protected]https://vuldb.com/cve/CVE-2026-82679 · [email protected]https://vuldb.com/submit/894026 · [email protected]https://vuldb.com/vuln/397174 · [email protected]https://vuldb.com/vuln/397174/cti · [email protected]
EPSS history
Timeline
  • 02 SEP 03:40Z
    EPSS moved — → 0%
    epss
  • 31 AUG 10:30Z
    diem-project diem Widget Editor dmWidgetContentBaseMediaForm.php unrestricted upload
    cvelistv5