CVE-2026-118644: n8n-io n8n (Medium, CVSS 5.1)

Remote Attacker
CVE-2026-118644Mediumn8n-io n8n
CVSS
5.1 Medium (v4.0)
EPSS
0.2% chance of exploitation in the next 30 days (higher than 10.1% of CVEs)
Exploited in the wild
Not on CISA’s KEV list
Public exploit
None reported in public exploit databases
Weakness
CWE-266
Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:H/SI:H/SA:N
Published
Oct 28, 2026

What it is

n8n before 2.41.5 and 2.42.x before 2.42.2 passes a failed workflow's full execution context, including the identity of the user who started the run, to the configured error workflow. A project editor can set a colleague's workflow settings.errorWorkflow to an error workflow they own, inherit the colleague's identity when that workflow fails, and resolve the colleague's per-user dynamic credential secrets.

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.