# CVE-2026-86183

## Summary

- **CVE ID:** CVE-2026-86183
- **Severity:** MEDIUM
- **CVSS Score:** 6.9 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P)
- **CWE:** CWE-639, CWE-285
- **Published:** Sep 6, 2026
- **Last Modified:** Sep 6, 2026

## 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 Products

- diem-project — diem (5.1.0)
- diem-project — diem (5.1.1)
- diem-project — diem (5.1.2)
- diem-project — diem (5.1.3)

## References

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

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.33%
- **EPSS Percentile:** 26.4

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._