Public vulnerability disclosure

CVE-2026-126381

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

publishedCWE-89

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.

Technical severity4.9 mediumCVSS 4.0 · CNA: VulnCheck
Published2026-11-13Source updated 2026-11-13
Collected2026-11-131 attributed source

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
n8n
n8n-io
n8n
npm
≥ 2.44.0; < 2.44.1 (affected, semver)
2.44.1 (unaffected, semver)
Other versions: unaffected
CNA: VulnCheck
n8n
n8n-io
n8n
npm
≥ 0; < 2.43.5 (affected, semver)
2.43.5 (unaffected, semver)
Other versions: unaffected
CNA: VulnCheck
n8n
n8n-io
n8n
npm
≥ 3.0.0; < 3.0.1 (affected, semver)
3.0.1 (unaffected, semver)
Other versions: unaffected
CNA: VulnCheck

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
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:NCNA: VulnCheck
3.1 / 6.3
medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:NCNA: VulnCheck

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

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