High severity · published Mar 18, 2026
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…
8.1
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HR
Hub Reporting Service · Devolutions
through 2025.3.1.1 · source: vendor, NVD