CVE-2026-110849CWE-79cross-site-scripting

CVE-2026-110849

published October 15, 2026

CVSS
7.2
EPSS
0%
Percentile
14.6
In the wild
Unconfirmed
What it is

n8n before 1.123.83, 2.41.4, and 2.42.1 contains a stored cross-site scripting vulnerability in the file-preview modal, which re-publishes binary data as an unsandboxed same-origin blob URL. A member who uploads a crafted item can run script in the n8n origin of whoever previews it, typically the owner, and act with their session.

The record
Technical detail
CVSS
7.2 · NONE
CVSS v4.0
7.2 · CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
EPSS
0.00243 · 14.6th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-10-15T03:17Z
References (2)
https://github.com/n8n-io/n8n/security/advisories/GHSA-29xw-66fq-4xc3 · [email protected]https://www.vulncheck.com/advisories/n8n-before-1.123.83-2.41.4-and-2.42.1-stored-xss-via-binary-data-file-preview · [email protected]
EPSS history
Timeline
  • 16 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 14 OCT 22:52Z
    n8n before 1.123.83, 2.41.4, and 2.42.1 Stored XSS via Binary-Data File Preview
    cvelistv5
  • 14 OCT 22:52Z
    n8n before 1.123.83, 2.41.4, and 2.42.1 Stored XSS via Binary-Data File Preview
    cvelistv5