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CVE-2026-126381 n8n before 2.44.1 SQL Injection via Vector Store (OracleDB) Metadata Filter Key

4.9 mediumEPSS 0.3%

Medium (4.9) in n8n-io n8n. EPSS 0.3% estimated probability of exploitation activity in the next 30 days.

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n8n before 2.43.5, 2.44.x before 2.44.1, and 3.x before 3.0.1 contains an SQL injection vulnerability in the Vector Store (OracleDB) node, which does not validate Metadata Filter keys used in vector search queries. Attackers can supply crafted filter keys through untrusted workflow input such as webhooks to read data accessible to the configured Oracle credential.

Severity

CVSS 4.0

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

CVSS 3.1

6.3 medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
EPSS
0.3% estimated probability of exploitation activity in the next 30 days; 28th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CWE
CWE-89 Improper Neutralization of Special Elements used in an SQL Command (SQL Injection)
OWASP Top 10
A05:2025 Injection
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 n8nfrom 2.44.0 before 2.44.1
n8n-io n8nbefore 2.43.5
n8n-io n8nfrom 3.0.0 before 3.0.1

Attack patterns (CAPEC)

  • CAPEC-7 Blind SQL Injection Likelihood: High · Severity: High
  • CAPEC-66 SQL Injection Likelihood: High · Severity: High
  • CAPEC-108 Command Line Execution through SQL Injection Likelihood: Low · Severity: Very High
  • CAPEC-109 Object Relational Mapping Injection Likelihood: Low · Severity: High
  • CAPEC-110 SQL Injection through SOAP Parameter Tampering Likelihood: High · Severity: Very High
  • CAPEC-470 Expanding Control over the Operating System from the Database Severity: Very High

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.

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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