Vulnerabilities

Vulnerability · 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 disable…

Published Mar 18, 2026 · catalog updated Jun 17, 2026 · hub reporting service

Check if you run it

No confirmed exploitation is on record for CVE-2026-4396. EPSS is 0.29%. Act only if a listed version of hub reporting service is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.29%
Remediation
Version ranges on file
Affected products
cpe devolutions/hub reporting service · stated hub reporting service

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe devolutions/hub reporting serviceversion unspecified
  • stated hub reporting service<= 3.1.1

How to fix CVE-2026-4396

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-4396. EPSS is 0.29%. Act only if a listed version of hub reporting service is installed.

Which versions are affected?

Compare what you have installed with hub reporting service <= 3.1.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-295: Improper Certificate Validation. EPSS 0.29%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 18, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-4396

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-4396

    30-day exploitation probability 0.3%

    first.org
  • NIST NVDVulnerability recordCVE-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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

CVE-2026-4396: Improper certificate validation in Devolutions Hub R… · ZeroDay Findings