CVE-2026-79680
Severity not reportedData quality: awaiting analysis.
NVD has not completed analysis, so CVSS and affected-product data may be missing or change.
Authentication bypass vulnerability in the password authentication mechanism of the Qt VNC Server module.
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.
CVSS
—
Awaiting analysis by NVD
Timeline (UTC)
Published: 2026-09-24 11:16
Modified: 2026-09-24 21:08
NVD status: Awaiting Analysis
Last synced 2 days ago
Verified against the source API 2026-10-27 06:55 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://codereview.qt-project.org/c/qt/tqtc-qtvncserver/+/759160 a59d8014-47c4-4630-ab43-e1b13cbe58e3
- https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-79680: a59d8014-47c4-4630-ab43-e1b13cbe58e3
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:55 UTC · record ↗