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Servers and applications

CVE-2026-126381

n8n before 2.44.1 SQL Injection via Vector Store (OracleDB) Metadata Filter Key

Severity
Medium 4.9
Published
13 Nov 2026
Last changed
13 Nov 2026
Added to UpHeron
13 Nov 2026
Fixed in
2.43.5, 2.44.1, 3.0.1
Weakness
SQL injection (CWE-89)
Attack
Over the network · Only under certain conditions · Needs a user account · No user action needed
CVSS vector
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
Sources
CVE Program

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.

From the CVE Program.

Affected software

SoftwareAffected versions
n8nServers and applications · cna:n8n-io|n8n
  • Every version before 2.43.5
  • From 2.44.0 before 2.44.1
  • From 3.0.0 before 3.0.1

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-126381