CVE-2026-56354 (GCVE-0-2026-56354)

Vulnerability from cvelistv5 – Published: 2026-07-10 13:57 – Updated: 2026-07-10 16:42
VLAI
Title
n8n - Cross-Site Scripting and Open Redirect in Form Node
Summary
n8n before 1.123.24, 2.10.4, and 2.12.0 (across its 1.x and 2.x branches) contains cross-site scripting and open redirect vulnerabilities in the Form Node due to unsanitized HTML description fields and overly permissive iframe sandbox policies. Authenticated users with workflow creation permissions can inject malicious scripts or redirect parameters to perform stored XSS attacks or phishing redirects against end users.
Severity
5.1 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
4.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
Vendor Product Version
n8n n8n Affected: 0 , < 1.123.24 (semver)
Unaffected: 1.123.24 (semver)
Affected: 2.0.0-rc.0 , < 2.10.4 (semver)
Unaffected: 2.10.4 (semver)
Affected: 2.11.0 , < 2.12.0 (semver)
Unaffected: 2.12.0 (semver)
Create a notification for this product.
n8n n8n Affected: 0 , < 2.10.4 (semver)
Unaffected: 2.10.4 (semver)
Create a notification for this product.
n8n n8n Affected: 0 , < 1.123.24 (semver)
Unaffected: 1.123.24 (semver)
Create a notification for this product.
Date Public
2026-03-25 00:00
Credits
tCu0n9
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.