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CVE-2026-126390 n8n before 1.123.89 NocoDB Node API Token Leak via Attachment Download

6.3 mediumEPSS 0.3%

Medium (6.3) in n8n-io n8n. EPSS 0.3% estimated probability of exploitation activity in the next 30 days.

On this page
n8n before 1.123.89 contains a credential leakage vulnerability in the NocoDB node that sends the configured NocoDB API token to attacker-chosen hosts when downloading attachments. Attackers with write access to a NocoDB attachment cell can insert a URL to their host, capturing the API token when the workflow executes with Download Attachments enabled.

Severity

CVSS 4.0

6.3 medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

3.7 low
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
0.3% estimated probability of exploitation activity in the next 30 days; 23rd percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CWE
CWE-522 Insufficiently Protected Credentials
OWASP Top 10
A06:2025 Insecure Design
Published
Modified
Assigned by
VulnCheck (CNA)
NVD analysis
Deferred: the NVD does not plan to analyze it
Record from
the NVD, synced

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Affected

Versions

From the CNA's record in the CVE List.

ProductAffected
n8n-io n8nbefore 1.123.89
n8n-io n8nfrom 2.46.0 before 2.46.1
n8n-io n8nfrom 2.0.0 before 2.45.5
n8n-io n8nfrom 3.0.0 before 3.0.1

Attack patterns (CAPEC)

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits. More on the page of CWE-522 (13).

History

  1. The NVD deferred its analysis

Changes since this site first stored the record. The same for every record: /api/public/changes.

References

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