Bug 2540010 (CVE-2026-79680) - CVE-2026-79680 qtvncserver: Qt VNC Server: Authentication bypass via RFB protocol violation
Summary: CVE-2026-79680 qtvncserver: Qt VNC Server: Authentication bypass via RFB prot...
Keywords:
Status: NEW
Alias: CVE-2026-79680
Product: Security Response
Classification: Other
Component: vulnerability-draft
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-24 11:01 UTC by OSIDB Bzimport
Modified: 2026-09-25 13:21 UTC (History)
0 users

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Description OSIDB Bzimport 2026-09-24 11:01:23 UTC 
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.
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