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-2026-82679
diem-project diem Widget Editor dmWidgetContentBaseMediaForm.php unrestricted upload
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N L N L L L 2.1 .0037 28.1 —
AFFECTED
Product Versions Fixed
diem 5.1.0 – —
TIMELINE
Aug 30 Reserved by VulDB
Aug 31 Published (CNA: VulDB)
Sep 2 EXPLOIT PUBLISHED — CVE-2026-82679 (diem-project diem). Public exploit reference added.
Description
A security flaw has been discovered in diem-project diem up to 5.1.3. The impacted element is an unknown function of the file dmFrontPlugin/lib/dmWidget/media/dmWidgetContentBaseMediaForm.php of the component Widget Editor. Performing a manipulation results in unrestricted upload. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. 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 |
| August 30, 2026 | Reserved | Reserved by VulDB |
| August 31, 2026 | Published | Published (CNA: VulDB) |
| September 2, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-82679 (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-2026-82679 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.