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CVE-2026-86079

n8n: Path Injection in Elasticsearch and ElasticSecurity Nodes via Unencoded Identifiers PUBLISHED

Description (CNA)

n8n is an open source workflow automation platform. Prior to 1.123.76, 2.37.7, and 2.38.2, the Elasticsearch and ElasticSecurity nodes interpolated workflow-controlled index and document identifiers directly into REST request paths. An identifier containing path separators or dot segments could select another index or a cluster administration endpoint under the stored Elasticsearch credential. The affected request construction includes packages/nodes-base/nodes/Elastic/Elasticsearch/GenericFunctions.ts and the missing toPathSegment encoding. This issue is fixed in versions 1.123.76, 2.37.7 and 2.38.2.

Affected (CNA)

Vendor / productVersions
n8n-io / n8naffected >= 2.38.0, < 2.38.2; affected >= 2.0.0, < 2.37.7; affected < 1.123.76

CWE

CWE-22

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.