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CVE PROGRAM SOURCE RECORD4.5 Medium

CVE-2026-79680

Authentication bypass vulnerability in the password authentication mechanism of the Qt VNC Server module

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Status
Published
Published
Updated
Assigning organization
Qt

Description

Authentication bypass vulnerability in the password authentication mechanism of the Qt VNC Server module. An attacker using a specially modified VNC client that violates the RFB protocol can bypass Qt VNC Server's password authentication and gain unauthorized remote access to the shared application, compromising the confidentiality and integrity of the session.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

qt qt

Default version status: unaffected

  • 6.4.0 to < 6.8.9affected
  • 6.9.0 to < 6.11.3affected

References