CVE-2026-66786: Improper Control of Generation of Code ('Code Injection') in Red Hat Red Hat Advanced Cluster Management for Kubernetes 2
A flaw was found in submariner. In cert-auth mode, the connection configuration is built using free-form strings from the Custom Resource Definition (CRD) without proper validation. A malicious cluster can exploit this by publishing a CableName that includes newlines and ipsec.conf directives. This allows an attacker to inject arbitrary configuration parameters or execute commands through leftupdown hooks, leading to remote code execution as root on the gateway node.
CVE-2026-66786: Improper Control of Generation of Code ('Code Injection') in Red Hat Red Hat Advanced Cluster Management for Kubernetes 2
Description
A flaw was found in submariner. In cert-auth mode, the connection configuration is built using free-form strings from the Custom Resource Definition (CRD) without proper validation. A malicious cluster can exploit this by publishing a CableName that includes newlines and ipsec.conf directives. This allows an attacker to inject arbitrary configuration parameters or execute commands through leftupdown hooks, leading to remote code execution as root on the gateway node.
CVSS v3.1
Score 9.1critical
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- redhat
- Date Reserved
- 2026-07-27T17:51:24.885Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://access.redhat.com/security/cve/CVE-2026-66786","vendor":"Red Hat"}]
Threat ID: 6a986636acd9273b498ff4dd
Added to database: 09/02/2026, 18:08:54 UTC
Last updated: 09/02/2026, 18:53:47 UTC
Views: 8
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