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NVD Vulnerability Details :
CVE-2026-65589
Analyzed
More InfoOfficial Page
Source-disclosure@vulncheck.com
View Known Exploited Vulnerability (KEV) details
Published At-22 Jul, 2026 | 12:18
Updated At-27 Jul, 2026 | 19:09

n8n versions before 1.123.64 fail to properly mask custom HTTP header credentials in LLM sub-node execution data, writing plaintext API keys and secrets to workflow execution records. Authenticated users with access to execution data can read exposed header values and credentials that persist in the database and can be exported.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.05.1MEDIUM
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
N/A
Type: Secondary
Version: 4.0
Base score: 5.1
Base severity: MEDIUM
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Primary
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Type: N/A
Version:
Base score:
Base severity: N/A
Vector:
CPE Matches
n8n
n8n
>>n8n>>Versions before 1.123.64(exclusive)
cpe:2.3:a:n8n:n8n:*:*:*:*:community:node.js:*:*
n8n
n8n
>>n8n>>Versions before 1.123.64(exclusive)
cpe:2.3:a:n8n:n8n:*:*:*:*:enterprise:node.js:*:*
n8n
n8n
>>n8n>>Versions from 2.0.0(inclusive) to 2.29.8(exclusive)
cpe:2.3:a:n8n:n8n:*:*:*:*:community:node.js:*:*
n8n
n8n
>>n8n>>Versions from 2.0.0(inclusive) to 2.29.8(exclusive)
cpe:2.3:a:n8n:n8n:*:*:*:*:enterprise:node.js:*:*
n8n
n8n
>>n8n>>2.30.0
cpe:2.3:a:n8n:n8n:2.30.0:*:*:*:community:node.js:*:*
n8n
n8n
>>n8n>>2.30.0
cpe:2.3:a:n8n:n8n:2.30.0:*:*:*:enterprise:node.js:*:*
Weaknesses
CWE IDTypeSource
CWE-532Secondarydisclosure@vulncheck.com
CWE ID: CWE-532
Type: Secondary
Source: disclosure@vulncheck.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/n8n-io/n8n/security/advisories/GHSA-89gh-3pgc-v5h2disclosure@vulncheck.com
Mitigation
Vendor Advisory
https://www.vulncheck.com/advisories/n8n-before-credential-exposure-via-llm-node-execution-datadisclosure@vulncheck.com
Third Party Advisory
Hyperlink: https://github.com/n8n-io/n8n/security/advisories/GHSA-89gh-3pgc-v5h2
Source: disclosure@vulncheck.com
Resource:
Mitigation
Vendor Advisory
Hyperlink: https://www.vulncheck.com/advisories/n8n-before-credential-exposure-via-llm-node-execution-data
Source: disclosure@vulncheck.com
Resource:
Third Party Advisory
Change History
0Changes found
Details not found