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. The project was informed of the problem early through an issue report but has not responded yet.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products
diem-project:diem
References 6
https://vuldb.com/vuln/399315
VDB-399315 | diem-project diem dmWidget BasedmWidgetActions.class.php authorization
https://vuldb.com/vuln/399315/cti
VDB-399315 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/cve/CVE-2026-86183
CVE-2026-86183 | CVE Analysis and Report
https://vuldb.com/submit/896155
Submit #896155 | diem-project diem 116974edfb9a5b8bd69cb13586dc62bcdbb485ad Authorization Bypass
https://github.com/diem-project/diem/issues/450
NVD
https://github.com/diem-project/diem/
NVD