{
  "document": {
    "acknowledgments": [
      {
        "organization": "CERT@VDE",
        "summary": "coordination",
        "urls": [
          "https://certvde.com"
        ]
      }
    ],
    "aggregate_severity": {
      "namespace": "https://www.first.org/cvss/v3.1/specification-document#Qualitative-Severity-Rating-Scale",
      "text": "Critical"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-GB",
    "notes": [
      {
        "category": "summary",
        "text": "Helmholz myREX24V2/myREX24V2.virtual ships with a bundled PHP version that is affected by two vulnerabilities known as \"php2shell\".",
        "title": "Summary"
      },
      {
        "category": "description",
        "text": "Both vulnerabilities can lead to unauthenticated remote code execution (RCE) resulting in a total loss of confidentiality, integrity and availability.",
        "title": "Impact"
      },
      {
        "category": "description",
        "text": "Update the myREX24V2/myREX24V2.virtual instance to version 2.21.6.",
        "title": "Remediation"
      },
      {
        "category": "legal_disclaimer",
        "text": "Helmholz shall not be held responsible for any indirect, incidental, special, or consequential damages arising from the distribution or use of this document, or from any actions taken in reliance upon its contents. The information contained herein is provided by Helmholz in good faith and free of charge. To the extent permitted under applicable law, such information does not constitute any representation, warranty, guarantee, contractual commitment, or legal obligation on the part of Helmholz. Users remain solely responsible for evaluating the suitability and impact of the information on their specific systems or installations prior to implementation. If any adverse effects are identified, the information must not be applied.",
        "title": "Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "psirt@helmholz.de",
      "name": "Helmholz GmbH & Co. KG",
      "namespace": "https://www.helmholz.de"
    },
    "references": [
      {
        "category": "external",
        "summary": "CERT@VDE Security Advisories for Helmholz",
        "url": "https://certvde.com/en/advisories/vendor/helmholz"
      },
      {
        "category": "self",
        "summary": "VDE-2026-160: Helmholz: php2shell in myREX24V2/myREX24V2.virtual - HTML",
        "url": "https://certvde.com/en/advisories/VDE-2026-160"
      },
      {
        "category": "self",
        "summary": "VDE-2026-160: Helmholz: php2shell in myREX24V2/myREX24V2.virtual - CSAF",
        "url": "https://helmholz.csaf-tp.certvde.com/.well-known/csaf/white/2026/vde-2026-160.json"
      }
    ],
    "title": "Helmholz: php2shell in myREX24V2/myREX24V2.virtual",
    "tracking": {
      "aliases": [
        "VDE-2026-160",
        "SIM#2026-06"
      ],
      "current_release_date": "2026-11-10T10:00:00.000Z",
      "generator": {
        "date": "2026-11-09T09:27:57.819Z",
        "engine": {
          "name": "Secvisogram",
          "version": "2.6.16"
        }
      },
      "id": "VDE-2026-160",
      "initial_release_date": "2026-11-10T10:00:00.000Z",
      "revision_history": [
        {
          "date": "2026-11-10T10:00:00.000Z",
          "number": "1.0.0",
          "summary": "Initial revision."
        }
      ],
      "status": "final",
      "version": "1.0.0"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_family",
                "name": "myREX24V2",
                "product": {
                  "name": "Helmholz myREX24V2",
                  "product_id": "CSAFPID-11001",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:h:helmholz:myREX24V2:*:*:*:*:*:*:*:*"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "myREX24V2.virtual",
                "product": {
                  "name": "Helmholz myREX24V2.virtual",
                  "product_id": "CSAFPID-11002",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:h:helmholz:myREX24V2virtual:*:*:*:*:*:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Hardware"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:semver/>=2.0.0|<2.21.6",
                "product": {
                  "name": "Firmware <2.21.6",
                  "product_id": "CSAFPID-21001",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:helmholz:myREX24V2_firmware:*:*:*:*:*:*:*:*"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "2.21.6",
                "product": {
                  "name": "Firmware 2.21.6",
                  "product_id": "CSAFPID-21002",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:helmholz:myREX24V2_firmware:2.21.6:*:*:*:*:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Firmware"
          }
        ],
        "category": "vendor",
        "name": "Helmholz"
      }
    ],
    "product_groups": [
      {
        "group_id": "CSAFGID-0002",
        "product_ids": [
          "CSAFPID-31005",
          "CSAFPID-31006"
        ],
        "summary": "Fixed products."
      },
      {
        "group_id": "CSAFGID-0001",
        "product_ids": [
          "CSAFPID-31001",
          "CSAFPID-31002"
        ],
        "summary": "Affected products"
      }
    ],
    "relationships": [
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware <2.21.6 installed on Helmholz myREX24V2",
          "product_id": "CSAFPID-31001",
          "product_identification_helper": {
            "cpe": "cpe:2.3:o:helmholz:myREX24V2_firmware:*:*:*:*:*:*:*:*"
          }
        },
        "product_reference": "CSAFPID-21001",
        "relates_to_product_reference": "CSAFPID-11001"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware <2.21.6 installed on Helmholz myREX24V2.virtual",
          "product_id": "CSAFPID-31002",
          "product_identification_helper": {
            "cpe": "cpe:2.3:o:helmholz:myREX24V2virtual:*:*:*:*:*:*:*:*"
          }
        },
        "product_reference": "CSAFPID-21001",
        "relates_to_product_reference": "CSAFPID-11002"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware 2.21.6 installed on Helmholz myREX24V2",
          "product_id": "CSAFPID-31005",
          "product_identification_helper": {
            "cpe": "cpe:2.3:o:helmholz:myREX24V2_firmware:2.21.6:*:*:*:*:*:*:*"
          }
        },
        "product_reference": "CSAFPID-21002",
        "relates_to_product_reference": "CSAFPID-11001"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware 2.21.6 installed on Helmholz myREX24V2.virtual",
          "product_id": "CSAFPID-31006",
          "product_identification_helper": {
            "cpe": "cpe:2.3:o:helmholz:myREX24V2virtual:2.21.6:*:*:*:*:*:*:*"
          }
        },
        "product_reference": "CSAFPID-21002",
        "relates_to_product_reference": "CSAFPID-11002"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-109618",
      "cwe": {
        "id": "CWE-416",
        "name": "Use After Free"
      },
      "notes": [
        {
          "audience": "all",
          "category": "description",
          "text": "PHP uses longjmp() for out-of-memory (OOM) errors to exit the current context and abort handling of the request. Some contexts may not properly account for this scenario and leave request memory in an uninitialized state before performing an allocation. The subsequent request cleanup procedure may read or branch on this memory. Multiple OOM strategies can consistently trigger this condition and lead to remote code execution (RCE).",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "fixed": [
          "CSAFPID-31005",
          "CSAFPID-31006"
        ],
        "known_affected": [
          "CSAFPID-31001",
          "CSAFPID-31002"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - 9.2 / Critical",
          "url": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update the myREX24V2/myREX24V2.virtual instance to version 2.21.6.",
          "group_ids": [
            "CSAFGID-0001"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "environmentalScore": 9.8,
            "environmentalSeverity": "CRITICAL",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 9.8,
            "temporalSeverity": "CRITICAL",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-31001",
            "CSAFPID-31002"
          ]
        }
      ],
      "title": "RCE via OOM corruption"
    },
    {
      "cve": "CVE-2026-109619",
      "cwe": {
        "id": "CWE-416",
        "name": "Use After Free"
      },
      "notes": [
        {
          "audience": "all",
          "category": "description",
          "text": "PHP has various global state that temporarily points into request memory. In some scenarios, global state may not be correctly reset, or may be repopulated after being reset. The global state may then refer to request memory even after it has been freed. Subsequent requests may read or branch on this stale state before it is fully initialized. Multiple strategies can trigger this condition and produce remote code execution (RCE).",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "fixed": [
          "CSAFPID-31005",
          "CSAFPID-31006"
        ],
        "known_affected": [
          "CSAFPID-31001",
          "CSAFPID-31002"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - 9.2 / Critical",
          "url": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update the myREX24V2/myREX24V2.virtual instance to version 2.21.6.",
          "group_ids": [
            "CSAFGID-0001"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "environmentalScore": 8.1,
            "environmentalSeverity": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 8.1,
            "temporalSeverity": "HIGH",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-31001",
            "CSAFPID-31002"
          ]
        }
      ],
      "title": "RCE via stale global state"
    }
  ]
}