CVE-2026-56359

MEDIUMPre-NVD 5.45.4—
EchelonGraph scoreHIGH confidence

Score 5.4 from GitHub Security Advisory published 2026-07-08. a secondary CVSS source baseline 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 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 2.8.0 contains a cross-site scripting vulnerability in the credential management flow where authenticated users can inject malicious JavaScript URLs into OAuth2 credential Authorization URL fields. Attackers can craft malicious credentials and trick victims into clicking the OAuth authorization button, executing arbitrary scripts in their browser session with the victim's privileges.

CVSS v3
5.4
EG Score
5.4(high)
EPSS
3.9%
KEV
Not listed

Published

July 8, 2026

Last Modified

July 9, 2026

Advisory Details (2)

Auto-updated Jul 8, 2026
Patch available. Sources: github.
generic

n8n - Cross-Site Scripting in Credential Management OAuth2 Authorization URL | Advisories | VulnCheck

https://www.vulncheck.com/advisories/n8n-cross-site-scripting-in-credential-management-oauth2-authorization-url
github Patch Available

XSS in Credential Management Flow · Advisory · n8n-io/n8n · GitHub

https://github.com/n8n-io/n8n/security/advisories/GHSA-364x-8g5j-x2pr

Vendor Advisories for CVE-2026-56359(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 24× in last 7d / 26× 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 02:00 UTCEPSS rescore
  4. 2026-07-15 02:00 UTCEPSS rescore
  5. 2026-07-14 23:56 UTCEG score recompute
  6. 2026-07-14 23:56 UTCGHSA enrichment
  7. 2026-07-13 22:31 UTCEPSS rescore
  8. 2026-07-13 22:19 UTCEG score recompute
  9. 2026-07-13 22:19 UTCGHSA enrichment
  10. 2026-07-13 06:13 UTCEPSS rescore
  11. 2026-07-13 06:13 UTCEPSS rescore
  12. 2026-07-12 20:41 UTCEG score recompute
  13. 2026-07-12 20:41 UTCGHSA enrichment
  14. 2026-07-12 05:46 UTCEPSS rescore
  15. 2026-07-11 19:03 UTCEG score recompute
  16. 2026-07-11 19:03 UTCGHSA enrichment
  17. 2026-07-11 08:27 UTCEPSS rescore
  18. 2026-07-11 08:27 UTCEPSS rescore
  19. 2026-07-10 17:24 UTCEG score recompute
  20. 2026-07-10 17:24 UTCGHSA enrichment
  21. 2026-07-09 19:10 UTCEPSS rescore
  22. 2026-07-09 19:10 UTCEPSS rescore
  23. 2026-07-09 15:46 UTCEG score recompute
  24. 2026-07-09 15:46 UTCGHSA enrichment
  25. 2026-07-08 14:06 UTCEG score recompute
Show 1 more
  1. 2026-07-08 14:05 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-56359?
CVE-2026-56359 is a medium vulnerability published on July 8, 2026. n8n before 2.8.0 contains a cross-site scripting vulnerability in the credential management flow where authenticated users can inject malicious JavaScript URLs into OAuth2 credential Authorization URL fields. Attackers can craft malicious credentials and trick victims into clicking the OAuth…
When was CVE-2026-56359 disclosed?
CVE-2026-56359 was first published in the National Vulnerability Database on July 8, 2026, with the most recent update on July 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56359 actively exploited?
CVE-2026-56359 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-56359?
CVE-2026-56359 has a CVSS v3 base score of 5.4 (NVD).
How do I remediate CVE-2026-56359?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56359, 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

Explore the affected products and dependency analysis for CVE-2026-56359

Explore →

Is Your Infrastructure Affected by CVE-2026-56359?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs