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CVE-2026-86022

7.0 · HIGH

VNote is a note-taking platform.

Published Oct 13, 2026CWE-78EPSS 0.21%

Overview

CVE-2026-86022 is a high-severity vulnerability. It was published on October 13, 2026 and has a CVSS 3.1 base score of 7.0 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.0, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

VNote is a note-taking platform. Prior to 4.3.0, SessionConfig::ExternalProgram::fetchCommand wraps a note path in double quotes and substitutes it into a command string that QProcess::start(const QString&) reparses into arguments through ProcessUtils::startDetached. The automatic path in src/controllers/viewareacontroller.cpp and the Open With path in src/controllers/notebooknodecontroller.cpp both reach this sink. On Linux and macOS, an attacker-controlled double quote in a POSIX note filename can terminate the quoted path and add arguments to the victim's configured external program. If the configured program supports an argument that executes commands, such as the vim or gvim -c option, the injected arguments can execute arbitrary commands as the user. This issue is fixed in version 4.3.0.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/vnotex/vnote/commit/4abaacdb8dd110d279f3290ad7e69f20b2604602GitHubgithub.com/vnotex/vnote/releases/tag/v4.3.0GitHubgithub.com/vnotex/vnote/security/advisories/GHSA-6m2r-wm6v-c8qpGitHubgithub.com/vnotex/vnote/security/advisories/GHSA-6m2r-wm6v-c8qp

How CyberStrike helps

Frequently asked questions

What is CVE-2026-86022?

CVE-2026-86022 is a high-severity vulnerability. It was published on October 13, 2026 and has a CVSS 3.1 base score of 7.0 (HIGH).

How severe is CVE-2026-86022?

This vulnerability has a CVSS 3.1 base score of 7.0, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-86022?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-86022?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-86022 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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