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CVE-2026-103251

n8n before 1.123.80, 2.39.6, and 2.40.1 Package Install Validation Bypass via PubSub PUBLISHED

Description (CNA)

n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 contain a validation bypass vulnerability in the community package installation handler for queue mode deployments. Attackers with Redis write access can bypass name validation, permission checks, checksum verification, and npm safety checks to install arbitrary npm packages across all cluster instances without authentication.

Affected (CNA)

Vendor / productVersions
n8n-io / n8naffected 0 before 1.123.80; affected 2.0.0 before 2.39.6; affected 2.40.0 before 2.40.1

CWE

CWE-862

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.