Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-86183
diem-project diem dmWidget BasedmWidgetActions.class.php authorization
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N N N L N N 5.5 .0057 45.3 —
AFFECTED
Product Versions Fixed
diem 5.1.0 – —
TIMELINE
Sep 5 Reserved by VulDB
Sep 6 Published (CNA: VulDB)
Sep 11 EXPLOIT PUBLISHED — CVE-2026-86183 (diem-project diem). Public exploit reference added.
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| September 5, 2026 | Reserved | Reserved by VulDB |
| September 6, 2026 | Published | Published (CNA: VulDB) |
| September 11, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-86183 (diem-project diem). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| diem-project | diem | — | 5.1.0 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-86183 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.