CVE-2026-116004 onyx-dot-app Onyx PreviewTab.tsx cross site scripting

Medium 5.1 Published Updated
Exploited in the wild
Not known
Fix
None listed

What is CVE-2026-116004?

CVE-2026-116004 is a medium-severity vulnerability in onyx-dot-app Onyx, published on 25 Oct 2026.

Official description

A security vulnerability has been detected in onyx-dot-app Onyx up to 5.0.0. Impacted is an unknown function of the file web/src/app/craft/components/output-panel/PreviewTab.tsx. The manipulation leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-94, CWE-79

Which versions are affected by CVE-2026-116004?

How do I fix CVE-2026-116004?

No fix has been published for CVE-2026-116004 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-116004 being exploited?

There is no known exploitation of CVE-2026-116004 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-f3f8-mxmv-8237, GHSA-grhq-88h5-2h86.

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