CVE-2026-44694

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Source
https://cve.org/CVERecord?id=CVE-2026-44694
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-44694.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-44694
Aliases
Published
2026-05-08T19:12:05.326Z
Modified
2026-07-08T08:13:28.038503150Z
Severity
  • 7.2 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:L/VA:L/SC:H/SI:L/SA:L CVSS Calculator
Summary
n8n-MCP: Authenticated SSRF in n8n-mcp webhook and API client paths
Details

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. From version 2.18.7 to before version 2.50.2, there is an authenticated server-side request forgery vulnerability affecting the webhook trigger tools, the n8n API client (N8NAPIURL), and per-request URLs supplied via the x-n8n-url header in multi-tenant HTTP mode. This issue has been patched in version 2.50.2.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44694.json",
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-367",
        "CWE-918"
    ]
}
References

Affected packages

Git / github.com/czlonkowski/n8n-mcp

Affected ranges

Type
GIT
Repo
https://github.com/czlonkowski/n8n-mcp
Events
Introduced
dc62fd66cbc58a518b2a5a3ace3902b0f87fdaa4
Fixed
bcaba839409d470abeb4a6ad9b361b553a1098eb
Database specific 
{
    "source": [
        "AFFECTED_FIELD",
        "CPE_RANGE",
        "REFERENCES"
    ],
    "cpe": "cpe:2.3:a:n8n-mcp:n8n-mcp:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "2.18.7"
        },
        {
            "fixed": "2.50.2"
        }
    ]
}

Affected versions

v2.*
v2.18.10
v2.18.7
v2.18.8
v2.18.9
v2.19.0
v2.19.1
v2.19.2
v2.19.3
v2.19.4
v2.19.5
v2.19.6
v2.20.0
v2.20.1
v2.20.2
v2.20.3
v2.20.4
v2.20.5
v2.20.6
v2.20.7
v2.20.8
v2.21.0
v2.21.1
v2.22.10
v2.22.11
v2.22.12
v2.22.13
v2.22.14
v2.22.15
v2.22.16
v2.22.17
v2.22.18
v2.22.19
v2.22.20
v2.22.21
v2.22.6
v2.22.7
v2.22.8
v2.22.9
v2.23.0
v2.24.0
v2.24.1
v2.26.0
v2.26.1
v2.26.2
v2.26.3
v2.26.4
v2.26.5
v2.27.0
v2.27.1
v2.27.2
v2.28.0
v2.28.1
v2.28.2
v2.28.3
v2.28.4
v2.28.6
v2.28.7
v2.28.8
v2.28.9
v2.29.0
v2.29.2
v2.29.3
v2.29.4
v2.29.5
v2.30.0
v2.30.1
v2.30.2
v2.31.0
v2.31.1
v2.31.2
v2.31.3
v2.31.4
v2.31.5
v2.31.6
v2.31.7
v2.31.8
v2.31.9
v2.32.0
v2.32.1
v2.33.0
v2.33.1
v2.33.2
v2.33.3
v2.33.4
v2.33.5
v2.33.6
v2.34.0
v2.34.1
v2.34.2
v2.34.3
v2.34.4
v2.34.5
v2.35.0
v2.35.1
v2.35.2
v2.35.3
v2.35.4
v2.35.5
v2.35.6
v2.36.0
v2.36.1
v2.36.2
v2.37.1
v2.37.2
v2.37.3
v2.37.4
v2.38.0
v2.40.0
v2.40.1
v2.40.2
v2.40.3
v2.40.4
v2.40.5
v2.41.0
v2.41.1
v2.41.2
v2.41.3
v2.41.4
v2.42.0
v2.42.1
v2.42.2
v2.42.3
v2.43.0
v2.44.0
v2.44.1
v2.45.0
v2.45.1
v2.46.0
v2.46.1
v2.47.0
v2.47.1
v2.47.10
v2.47.11
v2.47.12
v2.47.13
v2.47.14
v2.47.2
v2.47.3
v2.47.4
v2.47.5
v2.47.6
v2.47.7
v2.47.8
v2.47.9
v2.48.0
v2.48.1
v2.48.2
v2.48.3
v2.49.0
v2.50.0
v2.50.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-44694.json"