CVE-2026-118647: n8n-io n8n (Medium, CVSS 5.3)

Remote Attacker
CVE-2026-118647Mediumn8n-io n8n
CVSS
5.3 Medium (v4.0)
EPSS
0.3% chance of exploitation in the next 30 days (higher than 17.2% of CVEs)
Exploited in the wild
Not on CISA’s KEV list
Public exploit
None reported in public exploit databases
Weakness
CWE-532
Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:H/SI:H/SA:N
Published
Oct 28, 2026

What it is

n8n before 1.123.85, 2.x before 2.43.5, and 2.44.x before 2.44.1 saves the SeaTable Trigger node's API token in error execution data, because failed poll requests store raw request headers. Users who can view workflow executions but cannot read the credential can recover the token and access the connected SeaTable base.

Description from the National Vulnerability Database.

What to do

Check whether you run n8n-io n8n, then apply the vendor’s fix or mitigation from the advisories below.

Sources: NVD, FIRST EPSS, CISA KEV, and public exploit databases (availability only). ThreatRoundup reports whether public exploit code exists but never links to it: fake proof-of-concepts that infect security researchers are common. This page updates automatically.