CVE-2026-118643

n8n before 1.123.85, 2.43.5, and 2.44.1 Credential Exposure via Node Execution Error Data

State: Published
Severity: 5.3 Medium
Published: Oct 28, 2026
Updated: Oct 28, 2026
Reserved: Oct 28, 2026

Description

n8n before 1.123.85, 2.x before 2.43.5, and 2.44.x before 2.44.1 stores credential secrets in execution error data when operations fail in the Git, MongoDB Atlas Vector Store, and Google Cloud Storage nodes. Users who can view a workflow's executions but cannot read the credential can recover Git passwords or tokens, MongoDB database passwords, or Google access tokens from that data.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	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	VulnCheck
3.1	8.2 High	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N	VulnCheck

Weaknesses

CWE-209 Generation of Error Message Containing Sensitive Information

Affected Products

Product	Versions
n8nn8n-io	before 1.123.85Affected 1.123.85Not affected
n8nn8n-io	2.44.0 to before 2.44.1Affected 2.44.1Not affected
n8nn8n-io	2.0.0 to before 2.43.5Affected 2.43.5Not affected

References

GitHub Security Advisory (GHSA-qmvv-q3c9-wpp7)vendor-advisory
VulnCheck Advisory: n8n before 1.123.85, 2.43.5, and 2.44.1 Credential Exposure via Node Execution Error Datathird-party-advisory

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