CVE-2026-110847
n8n before 1.123.83, 2.x before 2.41.4, and 2.42.x before 2.42.1 contains a stored cross-site…
- Risk score
- 48/100
- CVSS
- 7.0 v4.0
- Exploit chance (30 days)
- 0.4%
- Published
- 14 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- n8n before 1.123.83, 2.x before 2.41.4, and 2.42.x before 2.42.1 contains a stored cross-site scripting vulnerability in the Chat Trigger hosted-chat page, where insufficiently sanitised customCss values are interpolated into the page as markup. Workflow authors can publish a chat without n8n user authentication whose…
- Affected
- See advisory
- Fix
- Upgrade the product to 1.123.83, 2.41.4, 2.42 or 2.42.1 (whichever matches your release line), or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.0 high
References
Original description
n8n before 1.123.83, 2.x before 2.41.4, and 2.42.x before 2.42.1 contains a stored cross-site scripting vulnerability in the Chat Trigger hosted-chat page, where insufficiently sanitised customCss values are interpolated into the page as markup. Workflow authors can publish a chat without n8n user authentication whose payload executes on the instance origin, acting on the sessions of signed-in visitors.
Last activity 14 Oct 2026. Patch Forecast updates every hour.