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Threats Tagged 'cve-2026-79680'

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Threats Tagged 'cve-2026-79680'

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CVE-2026-79680 is an authentication bypass vulnerability in the Qt VNC Server module's password authentication mechanism. It allows an attacker using a specially modified VNC client that violates the RFB protocol to bypass password authentication and gain unauthorized remote access to the shared application. This compromises the confidentiality and integrity of the session. The vulnerability affects Qt versions from 6.4.0 up to but not including 6.8.9, and from 6.9.0 up to but not including 6.11.3. The CVSS 4.0 base score is 4.5, indicating medium severity. No patch links or vendor advisories confirming a fix are provided, and no known exploits are reported in the wild.

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