CVE-2026-25051 (GCVE-0-2026-25051)

Vulnerability from cvelistv5 – Published: 2026-02-04 16:46 – Updated: 2026-02-05 14:36
VLAI
Title
n8n Improper CSP Enforcement in Webhook Responses May Allow Stored XSS
Summary
n8n is an open source workflow automation platform. Prior to version 1.123.2, a Cross-Site Scripting (XSS) vulnerability has been identified in the handling of webhook responses and related HTTP endpoints. Under certain conditions, the Content Security Policy (CSP) sandbox protection intended to isolate HTML responses may not be applied correctly. An authenticated user with permission to create or modify workflows could abuse this to execute malicious scripts with same-origin privileges when other users interact with the crafted workflow. This could lead to session hijacking and account takeover. This issue has been patched in version 1.123.2.
Severity
8.5 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-05 14:20 UTC
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
GitHub_M CNA
References
Impacted products
Vendor Product Version
n8n-io n8n Affected: < 1.123.2
Create a notification for this product.
Show details on NVD website
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