CVE-2026-118675: n8n-io n8n (Medium, CVSS 5.1)

Remote Attacker
CVE-2026-118675Mediumn8n-io n8n
CVSS
5.1 Medium (v4.0)
EPSS
0.2% chance of exploitation in the next 30 days (higher than 6.4% of CVEs)
Exploited in the wild
Not on CISA’s KEV list
Public exploit
None reported in public exploit databases
Weakness
CWE-863
Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:H/SI:L/SA:N
Published
Oct 28, 2026

What it is

n8n before 1.123.85, 2.43.5, and 2.44.1 contains a credential guard bypass vulnerability that allows editors of shared workflows to use restricted credentials by loading sub-workflows from URLs or local files. Attackers can configure the Execute Sub-workflow node with source url or localFile to serve content that resolves project credentials and returns their decrypted values.

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.