n8n: Stored DOM XSS via Resource Locator `cachedResultUrl`
- Product
- n8n
- CVE
- CVE-2026-65592
- Affected
- n8n < 1.123.64, >= 2.0.0-rc.0 < 2.29.8, >= 2.30.0 < 2.30.1
- Fixed in
- 1.123.64, 2.29.8, 2.30.1
Last verified against sources: October 26, 2026
Am I affected?
n8n: affected n8n < 1.123.64, >= 2.0.0-rc.0 < 2.29.8, >= 2.30.0 < 2.30.1. Fixed in 1.123.64, 2.29.8, 2.30.1.
- Check your version: run
npm ls n8n. Versions < 1.123.64 of n8n are affected. [1]
What to do now
- Upgrade to the fixed version: run
npm install n8n@1.123.64(first patched version 1.123.64). [1] - Upgrade to n8n 1.123.64, 2.29.8, or 2.30.1 or later. [1]
- Restrict workflow creation and editing permissions to fully trusted users only. [1]
- Audit existing workflows for unexpected
cachedResultUrlvalues containing non-HTTP(S) schemes. [1]
General practice, not from the source: if the affected software could read tokens or credentials, rotate them after upgrading; pin versions and review changes before updating tools your agents run.
What happened
- The Resource Locator passes the workflow-persisted
cachedResultUrltowindow.open()without scheme validation. [1]
Impact
- When a victim opens the crafted workflow and interact with external links, the JavaScript payload runs in the victim's browser. [1]
What was done
Sources
- GHSA-9wcp-9r3j-383q — GitHub Advisory Database
Every statement above was checked against these sources before publishing. Spotted an error? Tell us and we will correct it with a dated note.
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[CVE-2026-65592] n8n: Stored DOM XSS via Resource Locator `cachedResultUrl`
Product: n8n | Affected: n8n < 1.123.64, >= 2.0.0-rc.0 < 2.29.8, >= 2.30.0 < 2.30.1 | Fixed in: 1.123.64, 2.29.8, 2.30.1
Summary: The Resource Locator passes the workflow-persisted `cachedResultUrl` to `window.open()` without scheme validation.
Source & remediation on AgentArmorHQ: https://agentarmorhq.com/incidents/2026/07/cve-2026-65592-n8nCorrections
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