API Token Exposure in n8n's SeaTable Trigger Node
CVE-2026-118647

5.3MEDIUM

Key Information:

Vendor

N8n-io

Status
Vendor
CVE Published:
28 October 2026

What is CVE-2026-118647?

The n8n platform, specifically its SeaTable Trigger node, contains a vulnerability where the API token is stored in error execution data due to failed poll requests saving raw request headers. This flaw allows users who can view workflow executions, without having access to read the credential, to retrieve the token and gain unauthorized access to the associated SeaTable base. This issue has been identified in versions prior to 1.123.85, 2.43.5, and 2.44.1.

Affected Version(s)

n8n 0 < 1.123.85

n8n 2.44.0 < 2.44.1

n8n 2.0.0 < 2.43.5

References

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

kemrec
.