CVE-2026-66786 (GCVE-0-2026-66786)
Vulnerability from cvelistv5
Published
2026-09-02 17:57
Modified
2026-10-19 17:30
Severity ?
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Summary
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.
References
https://access.redhat.com/errata/RHSA-2026:63016 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:85227 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-66786 vdb-entry, x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2507531 issue-tracking, x_refsource_REDHAT
Impacted products
Vendor Product Version
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.16 Unaffected: 1790670439   < *
    cpe:/a:redhat:acm:2.16::el9
Create a notification for this product.
   Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.16 Unaffected: 1790670231   < *
    cpe:/a:redhat:acm:2.16::el9
Create a notification for this product.
   Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.16 Unaffected: 1790670243   < *
    cpe:/a:redhat:acm:2.16::el9
Create a notification for this product.
   Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.16 Unaffected: 1790670508   < *
    cpe:/a:redhat:acm:2.16::el9
Create a notification for this product.
   Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.16 Unaffected: 1790670233   < *
    cpe:/a:redhat:acm:2.16::el9
Create a notification for this product.
   Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.16 Unaffected: 1790670912   < *
    cpe:/a:redhat:acm:2.16::el9
Create a notification for this product.
   Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.16 Unaffected: 1790670254   < *
    cpe:/a:redhat:acm:2.16::el9
Create a notification for this product.
   Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.17 Unaffected: 1788023916   < *
    cpe:/a:redhat:acm:2.17::el9
Create a notification for this product.
   Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.17 Unaffected: 1788023940   < *
    cpe:/a:redhat:acm:2.17::el9
Create a notification for this product.
   Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.17 Unaffected: 1788105072   < *
    cpe:/a:redhat:acm:2.17::el9
Create a notification for this product.
   Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.17 Unaffected: 1788043964   < *
    cpe:/a:redhat:acm:2.17::el9
Create a notification for this product.
   Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.17 Unaffected: 1788043961   < *
    cpe:/a:redhat:acm:2.17::el9
Create a notification for this product.
   Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.17 Unaffected: 1788073481   < *
    cpe:/a:redhat:acm:2.17::el9
Create a notification for this product.
   Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.17 Unaffected: 1788043970   < *
    cpe:/a:redhat:acm:2.17::el9
Create a notification for this product.
   Red Hat Red Hat Advanced Cluster Management for Kubernetes 2     cpe:/a:redhat:acm:2
Create a notification for this product.
   Red Hat Red Hat Advanced Cluster Management for Kubernetes 2     cpe:/a:redhat:acm:2
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-66786",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-05T01:01:16.851937Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-05T01:01:30.464Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:acm:2.16::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhacm2/lighthouse-agent-rhel9",
          "product": "Red Hat Advanced Cluster Management for Kubernetes 2.16",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "1790670439",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:acm:2.16::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhacm2/lighthouse-coredns-rhel9",
          "product": "Red Hat Advanced Cluster Management for Kubernetes 2.16",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "1790670231",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:acm:2.16::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhacm2/subctl-rhel9",
          "product": "Red Hat Advanced Cluster Management for Kubernetes 2.16",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "1790670243",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:acm:2.16::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhacm2/submariner-gateway-rhel9",
          "product": "Red Hat Advanced Cluster Management for Kubernetes 2.16",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "1790670508",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:acm:2.16::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhacm2/submariner-globalnet-rhel9",
          "product": "Red Hat Advanced Cluster Management for Kubernetes 2.16",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "1790670233",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:acm:2.16::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhacm2/submariner-rhel9-operator",
          "product": "Red Hat Advanced Cluster Management for Kubernetes 2.16",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "1790670912",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:acm:2.16::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhacm2/submariner-route-agent-rhel9",
          "product": "Red Hat Advanced Cluster Management for Kubernetes 2.16",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "1790670254",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:acm:2.17::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhacm2/lighthouse-agent-rhel9",
          "product": "Red Hat Advanced Cluster Management for Kubernetes 2.17",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "1788023916",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:acm:2.17::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhacm2/lighthouse-coredns-rhel9",
          "product": "Red Hat Advanced Cluster Management for Kubernetes 2.17",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "1788023940",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:acm:2.17::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhacm2/subctl-rhel9",
          "product": "Red Hat Advanced Cluster Management for Kubernetes 2.17",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "1788105072",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:acm:2.17::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhacm2/submariner-gateway-rhel9",
          "product": "Red Hat Advanced Cluster Management for Kubernetes 2.17",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "1788043964",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:acm:2.17::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhacm2/submariner-globalnet-rhel9",
          "product": "Red Hat Advanced Cluster Management for Kubernetes 2.17",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "1788043961",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:acm:2.17::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhacm2/submariner-rhel9-operator",
          "product": "Red Hat Advanced Cluster Management for Kubernetes 2.17",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "1788073481",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:acm:2.17::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhacm2/submariner-route-agent-rhel9",
          "product": "Red Hat Advanced Cluster Management for Kubernetes 2.17",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "1788043970",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:acm:2"
          ],
          "defaultStatus": "affected",
          "packageName": "rhacm2/submariner-addon-rhel9",
          "product": "Red Hat Advanced Cluster Management for Kubernetes 2",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:acm:2"
          ],
          "defaultStatus": "affected",
          "packageName": "rhacm2/submariner-operator-bundle",
          "product": "Red Hat Advanced Cluster Management for Kubernetes 2",
          "vendor": "Red Hat"
        }
      ],
      "datePublic": "2026-08-21T16:43:00.583Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "namespace": "https://access.redhat.com/security/updates/classification/",
              "value": "Moderate"
            },
            "type": "Red Hat severity rating"
          }
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-94",
              "description": "Improper Control of Generation of Code (\u0027Code Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-19T17:30:29.003Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "RHSA-2026:63016",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:63016"
        },
        {
          "name": "RHSA-2026:85227",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:85227"
        },
        {
          "tags": [
            "vdb-entry",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/security/cve/CVE-2026-66786"
        },
        {
          "name": "RHBZ#2507531",
          "tags": [
            "issue-tracking",
            "x_refsource_REDHAT"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507531"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-07-27T00:00:00.000Z",
          "value": "Reported to Red Hat."
        },
        {
          "lang": "en",
          "time": "2026-08-21T16:43:00.583Z",
          "value": "Made public."
        }
      ],
      "title": "Submariner: submariner: ipsec.conf stanza injection via remote-supplied cablename and subnets",
      "workarounds": [
        {
          "lang": "en",
          "value": "If Submariner certificate-based IPsec authentication mode is enabled (`IPSecCertAuthMode: true` in the SubmarinerConfig), administrators can mitigate this flaw by switching to the default pre-shared key (PSK) authentication mode. Set `IPSecCertAuthMode: false` (or remove the field to use its default value) in the SubmarinerConfig CR and redeploy the Submariner gateway pods. PSK mode provides equivalent inter-cluster IPsec tunnel encryption and is not affected by this vulnerability. Note that disabling cert-auth mode means Submariner will no longer integrate with OVN IPsec\u0027s certificate infrastructure and will manage its own PSK-based authentication independently."
        }
      ],
      "x_generator": {
        "engine": "cvelib 1.8.0"
      },
      "x_redhatCweChain": "CWE-94: Improper Control of Generation of Code (\u0027Code Injection\u0027)"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2026-66786",
    "datePublished": "2026-09-02T17:57:19.436Z",
    "dateReserved": "2026-07-27T17:51:24.885Z",
    "dateUpdated": "2026-10-19T17:30:29.003Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-66786\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-09-05T01:01:16.851937Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-09-05T01:01:26.612Z\"}}], \"cna\": {\"title\": \"Submariner: submariner: ipsec.conf stanza injection via remote-supplied cablename and subnets\", \"metrics\": [{\"other\": {\"type\": \"Red Hat severity rating\", \"content\": {\"value\": \"Moderate\", \"namespace\": \"https://access.redhat.com/security/updates/classification/\"}}}, {\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 9.1, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"CRITICAL\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"HIGH\", \"confidentialityImpact\": \"HIGH\"}}], \"affected\": [{\"cpes\": [\"cpe:/a:redhat:acm:2.16::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Advanced Cluster Management for Kubernetes 2.16\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1790670439\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"rhacm2/lighthouse-agent-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:acm:2.16::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Advanced Cluster Management for Kubernetes 2.16\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1790670231\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"rhacm2/lighthouse-coredns-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:acm:2.16::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Advanced Cluster Management for Kubernetes 2.16\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1790670243\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"rhacm2/subctl-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:acm:2.16::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Advanced Cluster Management for Kubernetes 2.16\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1790670508\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"rhacm2/submariner-gateway-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:acm:2.16::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Advanced Cluster Management for Kubernetes 2.16\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1790670233\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"rhacm2/submariner-globalnet-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:acm:2.16::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Advanced Cluster Management for Kubernetes 2.16\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1790670912\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"rhacm2/submariner-rhel9-operator\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:acm:2.16::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Advanced Cluster Management for Kubernetes 2.16\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1790670254\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"rhacm2/submariner-route-agent-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:acm:2.17::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Advanced Cluster Management for Kubernetes 2.17\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1788023916\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"rhacm2/lighthouse-agent-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:acm:2.17::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Advanced Cluster Management for Kubernetes 2.17\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1788023940\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"rhacm2/lighthouse-coredns-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:acm:2.17::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Advanced Cluster Management for Kubernetes 2.17\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1788105072\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"rhacm2/subctl-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:acm:2.17::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Advanced Cluster Management for Kubernetes 2.17\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1788043964\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"rhacm2/submariner-gateway-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:acm:2.17::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Advanced Cluster Management for Kubernetes 2.17\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1788043961\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"rhacm2/submariner-globalnet-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:acm:2.17::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Advanced Cluster Management for Kubernetes 2.17\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1788073481\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"rhacm2/submariner-rhel9-operator\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:acm:2.17::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Advanced Cluster Management for Kubernetes 2.17\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1788043970\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"rhacm2/submariner-route-agent-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:acm:2\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Advanced Cluster Management for Kubernetes 2\", \"packageName\": \"rhacm2/submariner-addon-rhel9\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:acm:2\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Advanced Cluster Management for Kubernetes 2\", \"packageName\": \"rhacm2/submariner-operator-bundle\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-07-27T00:00:00.000Z\", \"value\": \"Reported to Red Hat.\"}, {\"lang\": \"en\", \"time\": \"2026-08-21T16:43:00.583Z\", \"value\": \"Made public.\"}], \"datePublic\": \"2026-08-21T16:43:00.583Z\", \"references\": [{\"url\": \"https://access.redhat.com/errata/RHSA-2026:63016\", \"name\": \"RHSA-2026:63016\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:85227\", \"name\": \"RHSA-2026:85227\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/security/cve/CVE-2026-66786\", \"tags\": [\"vdb-entry\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=2507531\", \"name\": \"RHBZ#2507531\", \"tags\": [\"issue-tracking\", \"x_refsource_REDHAT\"]}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"If Submariner certificate-based IPsec authentication mode is enabled (`IPSecCertAuthMode: true` in the SubmarinerConfig), administrators can mitigate this flaw by switching to the default pre-shared key (PSK) authentication mode. Set `IPSecCertAuthMode: false` (or remove the field to use its default value) in the SubmarinerConfig CR and redeploy the Submariner gateway pods. PSK mode provides equivalent inter-cluster IPsec tunnel encryption and is not affected by this vulnerability. Note that disabling cert-auth mode means Submariner will no longer integrate with OVN IPsec\u0027s certificate infrastructure and will manage its own PSK-based authentication independently.\"}], \"x_generator\": {\"engine\": \"cvelib 1.8.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"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.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-94\", \"description\": \"Improper Control of Generation of Code (\u0027Code Injection\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"shortName\": \"redhat\", \"dateUpdated\": \"2026-10-19T17:30:29.003Z\"}, \"x_redhatCweChain\": \"CWE-94: Improper Control of Generation of Code (\u0027Code Injection\u0027)\"}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-66786\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-10-19T17:30:29.003Z\", \"dateReserved\": \"2026-07-27T17:51:24.885Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2026-09-02T17:57:19.436Z\", \"assignerShortName\": \"redhat\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


Loading…

Loading…