CVE-2026-78417

Insufficient verification of data authenticity in the IronVNC client in Devolutions Remote Desktop Manager 2026.2.17.0 and earlier, 2026.1.24.0 and earlier, allows an on-path attacker to intercept and tamper with VNC sessions via automatic acceptance of the server's RSA key during RSA-AES authentication.

Score

CVSS 3.1 4.3 Medium

Status

Awaiting Analysis - security@devolutions.net

Published

2026-08-24

Last modified

2026-10-12

Weaknesses

CWE-345

Affected products

• Remote Desktop Manager (Devolutions)

References

• https://devolutions.net/security/advisories/DEVO-2026-0029/