---
id: CVE-2026-53578
title: Trilium is an open-source hierarchical note-taking application
summary: >-
  Trilium is an open-source hierarchical note-taking application. In versions up
  to and including 0.103.0, the default-on "Safe import" filter sanitizes HTML
  only for text notes and excludes the mindMap note type, whose JSON content is
  sto…
severity: none
cwe:
  - CWE-79
  - CWE-94
published: '2026-08-27'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T16:49:20.627'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-53578'
references:
  - url: >-
      https://github.com/TriliumNext/Trilium/commit/15da3ff626c21fbadbc980ebb39e2f97085503a4
    label: security-advisories@github.com
  - url: >-
      https://github.com/TriliumNext/Trilium/security/advisories/GHSA-rj57-j38v-3577
    label: security-advisories@github.com
  - url: >-
      https://github.com/TriliumNext/Trilium/security/advisories/GHSA-rj57-j38v-3577
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
epss: 0.003
epssPercentile: 0.2012
ingestedAt: '2026-09-09T17:16:03.070Z'
---

## Overview

Trilium is an open-source hierarchical note-taking application. In versions up to and including 0.103.0, the default-on "Safe import" filter sanitizes HTML only for text notes and excludes the mindMap note type, whose JSON content is stored without sanitization, allowing an attacker-supplied import archive to embed a payload that renders as arbitrary HTML. A mind map node can carry a dangerouslySetInnerHTML property that the Mind Elixir library assigns directly to a node's innerHTML, so a malicious note survives Safe import and executes script as soon as the victim opens the imported mind map. On the desktop client the Electron renderer runs with Node integration enabled, so the injected JavaScript escalates from cross-site scripting to full remote code execution on the victim's machine. This issue is fixed in version 0.104.0.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.