Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-47727

CVE-2026-47727HIGH

TriliumNext Trilium — Trilium: RCE via `shareTemplate` relation missing `isDangerous` flag — Safe import bypass leading to EJS SSTI (Incomplete Fix of CVE-2026-45668)

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   N   A   H   H   H    8.6   .0050   41.7     —

AFFECTED
  Product  Versions   Fixed
  Trilium  0.104.0 –  —

TIMELINE
  May 19  Reserved by GitHub_M
  Aug 27  Published (CNA: GitHub_M)
  Oct 14  EXPLOIT PUBLISHED — CVE-2026-47727 (TriliumNext Trilium). Public exploit reference added.

CWE-94, CWE-1336 · CNA: GitHub_M · CVSS v4.0 · 2 references · NVD status: Analyzed

Description

Trilium is an open-source hierarchical note-taking application. In versions prior to 0.104.0, the default-on "Safe import" filter fails to neutralize the shareTemplate relation because that relation is not marked as dangerous, allowing an attacker-supplied import archive to plant a server-side template that leads to remote code execution. The relation is omitted from the built-in list of dangerous attributes, so unlike other code-loading relations it is not disabled on import, and when the victim later publishes the imported note the public share renderer feeds the linked EJS code note's raw bytes into ejs.render, which compiles them in the server's Node process. An unauthenticated request to the shared note then executes the attacker's JavaScript with full access to require, process, the filesystem, and the network. This issue is fixed in version 0.104.0.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
May 19, 2026	Reserved	Reserved by GitHub_M
August 27, 2026	Published	Published (CNA: GitHub_M)
October 14, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-47727 (TriliumNext Trilium). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
TriliumNext	Trilium	—	0.104.0	—

Weaknesses

CWE-94 · CWE-1336

References (2)

https://github.com/TriliumNext/Trilium/commit/0db3d4403ab26de13d19a8739f014ee72b716239 [Patch]
https://github.com/TriliumNext/Trilium/security/advisories/GHSA-c26q-6pwv-wf25 [Exploit, Vendor Advisory]

Authoritative record: CVE-2026-47727 at cve.org

Vendors: triliumnext

Weaknesses: CWE-94 · CWE-1336

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-47727 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.