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CVE-2026-25054

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Date: February 4, 2026

n8n is an open source workflow automation platform. Prior to versions 1.123.9 and 2.2.1, a Cross-Site Scripting (XSS) vulnerability existed in a markdown rendering component used in n8n's interface, including workflow sticky notes and other areas that support markdown content. An authenticated user with permission to create or modify workflows could abuse this to execute scripts with same-origin privileges when other users interact with a maliciously crafted workflow. This could lead to session hijacking and account takeover. This issue has been patched in versions 1.123.9 and 2.2.1.

Severity Score

Related Resources (4)

https://github.com/n8n-io/n8n/security/advisories/GHSA-qpq4-pw7f-pp8w
https://nvd.nist.gov/vuln/detail/CVE-2026-25054
https://github.com/n8n-io/n8n
https://www.mend.io/vulnerability-database/CVE-2026-25054

Severity Score

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

CWE-80

Top Fix

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Upgrade Version

Upgrade to version n8n - 2.2.1;n8n - 1.123.9;https://github.com/n8n-io/n8n.git - n8n@1.123.9;https://github.com/n8n-io/n8n.git - n8n@2.2.1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): NONE

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