What’s Vulnerable › Vulnerabilities

CVE-2026-86183: diem-project diem dmWidget BasedmWidgetActions.class.php authorization

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-06 · updated 2026-09-11
• Weakness: CWE-285

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, 5.1.1, 5.1.2, 5.1.3

References

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

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