What is CVE-2026-4989?

CVE-2026-4989 is a medium-severity vulnerability in Devolutions Server, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.3/10. Published 2026-04-01.

How severe is CVE-2026-4989?

Medium severity. CVSS v3 base score is 4.3 out of 10.

SSRF in Devolutions Server

CVE-2026-4989

Improper input validation in the gateway health check feature in Devolutions Server allows a low-privileged authenticated user to perform server-side request forgery (SSRF), potentially leading to information disclosure, via a crafted API request. This issue affects Server: from 2026.1.1 through 2026.1.11, from 2025.3.1 through 2025.3.17.

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.002 (5.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Devolutions Devolutions_server
Devolutions Server — versions 2026.1.1, 2025.3.1

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

security@devolutions.net (Vendor Advisory)

Frequently asked questions

What is CVE-2026-4989?: CVE-2026-4989 is a medium-severity vulnerability in Devolutions Server, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.3/10. Published 2026-04-01.
How severe is CVE-2026-4989?: Medium severity. CVSS v3 base score is 4.3 out of 10.