CVE-2026-126042 VNote 3.11.0 before 4.12.0 OS Command Injection via Tasks Magic Variables

High 7.3 Published 10 Nov 2026 Updated 10 Nov 2026

Exploited in the wild: Not known
Fix: None listed

What is CVE-2026-126042?

CVE-2026-126042 is a high-severity vulnerability in vnotex VNote, published on 10 Nov 2026.

Official description

VNote 3.11.0 before 4.12.0 contains an OS command injection vulnerability in its Tasks feature: magic variables such as ${bufferName} and ${selectedText} are substituted into a shell command string without escaping. Attackers can share a notebook containing a note whose filename or text includes shell metacharacters such as $(...), backticks, ; or |, executing commands as the victim when they run a task referencing these variables.

Weakness: CWE-78

Which versions are affected by CVE-2026-126042?

How do I fix CVE-2026-126042?

No fix has been published for CVE-2026-126042 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-126042 being exploited?

There is no known exploitation of CVE-2026-126042 in the wild and no public exploit code.

Sources

Also known as GHSA-g98f-49h7-557q.