CVE-2026-86183

MEDIUM 5.3

diem-project diem dmWidget BasedmWidgetActions.class.php authorization

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-639 CWE-285
Vendor	diem-project
Product	diem
Published	Sep 6, 2026
Last Updated	Sep 11, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

diem-project / diem

5.1.0 5.1.1 5.1.2 5.1.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/399315 vuldb.com: https://vuldb.com/vuln/399315/cti vuldb.com: https://vuldb.com/cve/CVE-2026-86183 vuldb.com: https://vuldb.com/submit/896155 github.com: https://github.com/diem-project/diem/issues/450 github.com: https://github.com/diem-project/diem/

Credits

🔍 yingxiujie (VulDB User) VulDB CNA Team