CVE-2026-1907: SQL Injection in Clustering Communication (Hybrid Mode)

Severity: high (CVSS 7.5 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-12 · updated 2026-10-16
Weakness: CWE-89

Description

A SQL Injection (SQLi) affects the Kong Gateway (Enterprise and Open Source) clustering communication logic when operating in Hybrid Mode. The issue can be triggered by sending specially crafted RPC requests to the Control Plane (CP), leading to potential unauthorized database access. Leveraging the issue requires network access to the Control Plane’s clustering port and a valid client certificate and key.

Affected products

Kong Enterprise Gateway: from 3.10.0.0 before 3.10.0.9; from 3.11.0.0 before 3.11.0.8; from 3.12.0.0 before 3.12.0.4; from 3.13.0.0 before 3.13.0.2 — fixed in 3.10.0.9, 3.11.0.8, 3.12.0.4, 3.13.0.2
Kong Gateway: before 3.9.4 — fixed in 3.9.4

How to fix

Upgrade to a fixed version: Kong Enterprise Gateway 3.10.0.9, 3.11.0.8, 3.12.0.4, 3.13.0.2; Kong Gateway 3.9.4. Check the vendor advisory for mitigations.

References

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