Auth bypass in Diem-Project Diem
CVE-2026-86183
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.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Diem-project Diem — versions 5.1.0, 5.1.1, 5.1.2
Weakness classification (CWE)
References
- cna@vuldb.com (product)
- cna@vuldb.com (issue-tracking, exploit)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-86183?
- CVE-2026-86183 is a medium-severity vulnerability in Diem-Project Diem, classified under Improper Authorization. CVSS score: 5.3/10. Published 2026-09-06.
- How severe is CVE-2026-86183?
- Medium severity. CVSS v3 base score is 5.3 out of 10.