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.
Metrics
Affected Vendors & Products
References
History
Fri, 25 Sep 2026 12:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-358 | |
| References |
| |
| Metrics |
threat_severity
|
cvssV3_1
|
Thu, 24 Sep 2026 13:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Thu, 24 Sep 2026 11:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Authentication bypass vulnerability in the password authentication mechanism of the Qt VNC Server module | |
| First Time appeared |
Qt
Qt qt |
|
| Weaknesses | CWE-288 | |
| CPEs | cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Qt
Qt qt |
|
| References |
| |
| Metrics |
cvssV4_0
|
Status: PUBLISHED
Assigner: Qt
Published: 2026-09-24T10:56:08.086Z
Updated: 2026-09-24T12:18:38.627Z
Reserved: 2026-08-25T11:34:53.548Z
Link: CVE-2026-79680
Updated: 2026-09-24T12:18:25.160Z
Status : Awaiting Analysis
Published: 2026-09-24T11:16:47.117
Modified: 2026-09-24T21:08:22.573
Link: CVE-2026-79680