CVE-2026-118642

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 60/100
Published: 2026-10-28 Modified: 2026-10-28 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Interaction

CVSS Vector Breakdown

AV: Network
AC: High
PR: Low
UI: None
AT: None
VC: Low
VI: None
VA: None

Description

n8n before 1.123.85, 2.43.5, and 2.44.1 contains an authorization bypass vulnerability that allows authenticated members to use inaccessible credentials through inline sub-workflow nodes with non-boolean disabled values. Attackers knowing a credential id can run Execute Workflow nodes in inline JSON mode that skip the permission check and send decrypted credentials to attacker-controlled servers.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
n8n-io n8n 0 < 1.123.85

Bug Bounty Relevance

60 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

5.1 / 10.0 v4.0
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:H/SI:L/SA:N

EPSS — Exploitation Probability

0.21%
Raw Score 0.002120
Percentile 11.6%
Date 2026-10-29

Intelligence Sources

mitre ref →
nvd ref →