CVE-2026-56354

MEDIUMNVD 5.44.1▼
EchelonGraph scoreMEDIUM confidence

Score 4.1 from GitHub Security Advisory published 2026-07-10. NVD baseline CVSS 5.4; sources differ by 1.3.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 5 sources updated this week
5.4
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.4Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
5.4
EG Score
4.1(medium)
EPSS
6.5%
KEV
Not listed

Published

July 10, 2026

Last Modified

July 13, 2026

Advisory Details (2)

Auto-updated Jul 10, 2026
Patch available. Sources: github.
generic

n8n - Cross-Site Scripting and Open Redirect in Form Node | Advisories | VulnCheck

https://www.vulncheck.com/advisories/n8n-cross-site-scripting-and-open-redirect-in-form-node
github Patch Available

XSS and Open Redirect in Form Node · Advisory · n8n-io/n8n · GitHub

https://github.com/n8n-io/n8n/security/advisories/GHSA-w673-8fjw-457c

Vendor Advisories for CVE-2026-56354(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 21× in last 7d / 21× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-15 16:57 UTCEPSS rescore
  3. 2026-07-15 08:57 UTCEG score recompute
  4. 2026-07-15 08:56 UTCGHSA enrichment
  5. 2026-07-15 02:00 UTCEPSS rescore
  6. 2026-07-15 02:00 UTCEPSS rescore
  7. 2026-07-14 10:02 UTCEG score recompute
  8. 2026-07-14 10:02 UTCGHSA enrichment
  9. 2026-07-13 22:31 UTCEPSS rescore
  10. 2026-07-13 18:08 UTCNVD updateCVSS v3 → 5.4
  11. 2026-07-13 11:13 UTCEG score recompute
  12. 2026-07-13 11:13 UTCGHSA enrichment
  13. 2026-07-13 06:13 UTCEPSS rescore
  14. 2026-07-13 06:13 UTCEPSS rescore
  15. 2026-07-12 12:24 UTCEG score recompute
  16. 2026-07-12 12:24 UTCGHSA enrichment
  17. 2026-07-12 05:46 UTCEPSS rescore
  18. 2026-07-11 13:35 UTCEG score recompute
  19. 2026-07-11 13:35 UTCGHSA enrichment
  20. 2026-07-10 14:43 UTCEG score recompute
  21. 2026-07-10 14:42 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-56354?
CVE-2026-56354 is a medium vulnerability published on July 10, 2026. 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…
When was CVE-2026-56354 disclosed?
CVE-2026-56354 was first published in the National Vulnerability Database on July 10, 2026, with the most recent update on July 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56354 actively exploited?
CVE-2026-56354 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-56354?
CVE-2026-56354 has a CVSS v3 base score of 5.4 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 4.1.
How do I remediate CVE-2026-56354?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56354, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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