CVE-2026-47727Public exploitNetwork attack vectorHinoki check available

Remote code execution via unfiltered shareTemplate relation

Published Aug 27, 2026 · Updated Aug 27, 2026

Code injection in Trilium Notes before 0.104.0 allows remote attackers to execute code through a crafted imported note. The Safe import allowlist omits shareTemplate, so the public share renderer passes attacker-controlled EJS bytes to ejs.render in the server's Node process. Execution requires a user to import the archive and publish the note; an unauthenticated share request then runs JavaScript with filesystem and network access.

CVSS severity8.6
High
EPSS probability0.43%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Code injection in Trilium Notes before 0.104.0 allows remote attackers to execute code through a crafted imported note. The Safe import allowlist omits shareTemplate, so the public share renderer passes attacker-controlled EJS bytes to ejs.render in the server's Node process. Execution requires a user to import the archive and publish the note; an unauthenticated share request then runs JavaScript with filesystem and network access.

The record

CVE
CVE-2026-47727
Published
Aug 27, 2026
Updated
Aug 27, 2026
Vendor
Trilium Next
Product
Trilium Notes
Classifications
CWE-1336, CWE-94, T1204.002
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 27, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 27, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0.104.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Trilium Next · Trilium Notesversion=0.104.0

Published CVSS scores

8.6GitHub, Inc.CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-1336Improper Neutralization of Special Elements Used in a Template Engine
CWE-94Improper Control of Generation of Code ('Code Injection')
T1204.002Malicious File

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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