Medium severity · published Aug 31, 2026
CVE-2026-82679
diem-project diem Widget Editor dmWidgetContentBaseMediaForm.php unrestricted upload
6.3
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DI
diem · diem-project
5.1.0; 5.1.1; 5.1.2; 5.1.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-82679
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-82679
github.com
https://github.com/diem-project/diem/
github.com
https://github.com/diem-project/diem/issues/448
vuldb.com
https://vuldb.com/cve/CVE-2026-82679
vuldb.com
https://vuldb.com/submit/894026
vuldb.com
https://vuldb.com/vuln/397174
vuldb.com
https://vuldb.com/vuln/397174/cti
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