What is CVE-2026-4396?

CVE-2026-4396 is a high-severity vulnerability in Devolutions Hub Reporting Service, classified under Improper Certificate Validation. CVSS score: 8.1/10. Published 2026-03-18.

How severe is CVE-2026-4396?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Devolutions Hub Reporting Service

CVE-2026-4396

Improper certificate validation in Devolutions Hub Reporting Service 2025.3.1.1 and earlier allows a network attacker to perform a man-in-the-middle attack via disabled TLS certificate verification.

Vulnerability class: Improper Certificate Validation

EPSS: 0.001 (4.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Devolutions Hub Reporting Service — versions 0
Devolutions Hub_reporting_service

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

security@devolutions.net (Vendor Advisory)

Frequently asked questions

What is CVE-2026-4396?: CVE-2026-4396 is a high-severity vulnerability in Devolutions Hub Reporting Service, classified under Improper Certificate Validation. CVSS score: 8.1/10. Published 2026-03-18.
How severe is CVE-2026-4396?: High severity. CVSS v3 base score is 8.1 out of 10.