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CVE PROGRAM SOURCE RECORD9.1 Critical

CVE-2026-66786

Submariner: submariner: ipsec.conf stanza injection via remote-supplied cablename and subnets

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.16

Default version status: affected

  • 1790670439 to < *unaffected

Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.16

Default version status: affected

  • 1790670231 to < *unaffected

Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.16

Default version status: affected

  • 1790670243 to < *unaffected

Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.16

Default version status: affected

  • 1790670508 to < *unaffected

Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.16

Default version status: affected

  • 1790670233 to < *unaffected

Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.16

Default version status: affected

  • 1790670912 to < *unaffected

Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.16

Default version status: affected

  • 1790670254 to < *unaffected

Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.17

Default version status: affected

  • 1788023916 to < *unaffected

Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.17

Default version status: affected

  • 1788023940 to < *unaffected

Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.17

Default version status: affected

  • 1788105072 to < *unaffected

Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.17

Default version status: affected

  • 1788043964 to < *unaffected

Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.17

Default version status: affected

  • 1788043961 to < *unaffected

Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.17

Default version status: affected

  • 1788073481 to < *unaffected

Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.17

Default version status: affected

  • 1788043970 to < *unaffected

Red Hat Red Hat Advanced Cluster Management for Kubernetes 2

Default version status: affected

Red Hat Red Hat Advanced Cluster Management for Kubernetes 2

Default version status: affected

References