CVE-2026-126381
n8n before 2.44.1 SQL Injection via Vector Store (OracleDB) Metadata Filter Key
- Medium 6.3
Description
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.
Key facts
- Published
- 13 Nov 2026
- Last changed
- 13 Nov 2026
- Assigned by
- VulnCheck
- EPSS
- 0.344% likely to be exploited in the next 30 days, higher than 28.325% of CVEs (scores for 15 Nov 2026)
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 4.9CVSS 4.0, Mediumfrom the CNA (VulnCheck)
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 - 6.3CVSS 3.1, Mediumfrom the CNA (VulnCheck)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
No explicit remediation statement is available on this page yet. Consult the original record and vendor references before choosing a fix.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n8n-io | n8n |
|
| n8n-io | n8n |
|
| n8n-io | n8n |
|
Timeline
- 13 Nov 2026 Published
Weakness
Practice this bug class
HackZoneLabs has a hands-on lab on SQL injection (CWE-89).