What is CVE-2026-100287?

CVE-2026-100287 is a medium-severity vulnerability in Devolutions Server, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-09-29.

How severe is CVE-2026-100287?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Auth bypass in Devolutions Server

CVE-2026-100287

Missing authorization in the attachment history API in Devolutions Server 2026.3.5.0 and earlier allows an authenticated low-privileged user to permanently delete or restore vault attachments via a crafted API request.

Vulnerability class: Broken Access Control

Published 2026-09-29 · last modified 2026-09-29.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Devolutions Server

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

devolutions.net/security/advisories/DEVO-2026-0034/

Frequently asked questions

What is CVE-2026-100287?: CVE-2026-100287 is a medium-severity vulnerability in Devolutions Server, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-09-29.
How severe is CVE-2026-100287?: Medium severity. CVSS v3 base score is 5.4 out of 10.