CVE-2026-86183

diem-project diem dmWidget BasedmWidgetActions.class.php authorization

MEDIUM
5.3
CVSS Score
Published: September 6, 2026 at 09:00 AM UTC
Updated: September 11, 2026 at 09:17 PM UTC
1 product affected across 1 vendorDiem

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.6%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/399315
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/399315/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-86183
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/896155
ExploitIssue Tracking
Source: cverecord
https://github.com/diem-project/diem/issues/450

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-639CWE-285

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