{
  "document": {
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "summary",
        "text": "SICK CorivaEngine includes the third-party components Netty and Spring Cloud Gateway that are affected by multiple known vulnerabilities. Under certain conditions, these vulnerabilities could allow remote attackers to perform HTTP request smuggling, cause resource exhaustion, or manipulate forwarded request headers. Successful exploitation may impact the integrity and availability of affected systems. SICK has addressed these vulnerabilities and recommends that customers apply the remediations described in this Security Advisory.",
        "title": "summary"
      },
      {
        "category": "general",
        "text": "As general security measures, SICK recommends minimizing network exposure of the devices, restricting network access and following recommended security practices in order to run the devices in a protected IT environment.",
        "title": "General Security Measures"
      },
      {
        "category": "general",
        "text": "SICK performs vulnerability classification by using the CVSS scoring system (*CVSS v3.1*). The environmental score is dependent on the customer’s environment and can affect the overall CVSS score. SICK recommends that customers individually evaluate the environmental score to achieve final scoring.",
        "title": "Vulnerability Classification"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "psirt@sick.de",
      "issuing_authority": "SICK AG issues and issues in EHS products (when related to the Endress+Hauser SICK (EHS) joint venture).",
      "name": "SICK PSIRT",
      "namespace": "https://www.sick.com/psirt"
    },
    "references": [
      {
        "summary": "SICK PSIRT Security Advisories",
        "url": "https://www.sick.com/psirt"
      },
      {
        "summary": "SICK Operating Guidelines",
        "url": "https://www.sick.com/media/docs/9/19/719/special_information_sick_operating_guidelines_cybersecurity_by_sick_en_im0106719.pdf"
      },
      {
        "summary": "ICS-CERT recommended practices on Industrial Security",
        "url": "https://www.cisa.gov/resources-tools/resources/ics-recommended-practices"
      },
      {
        "summary": "CVSS v3.1 Calculator",
        "url": "https://www.first.org/cvss/calculator/3.1"
      },
      {
        "category": "self",
        "summary": "The canonical URL.",
        "url": "https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0013.json"
      }
    ],
    "title": "Vulnerabilities Affecting SICK CorivaEngine",
    "tracking": {
      "current_release_date": "2026-09-11T16:00:00.000Z",
      "generator": {
        "date": "2026-09-11T12:53:53.716Z",
        "engine": {
          "name": "Secvisogram",
          "version": "2.6.12"
        }
      },
      "id": "sca-2026-0013",
      "initial_release_date": "2026-09-11T16:00:00.000Z",
      "revision_history": [
        {
          "date": "2026-09-11T16:00:00.000Z",
          "number": "1",
          "summary": "Initial version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "branches": [
                  {
                    "category": "product_version_range",
                    "name": "<=2026.1.0",
                    "product": {
                      "name": "SICK CorivaEngine <=2026.1.0",
                      "product_id": "CSAFPID-51000",
                      "product_identification_helper": {
                        "skus": [
                          "1619728"
                        ]
                      }
                    }
                  },
                  {
                    "category": "product_version",
                    "name": "2026.1.1",
                    "product": {
                      "name": "SICK CorivaEngine 2026.1.1",
                      "product_id": "CSAFPID-52000",
                      "product_identification_helper": {
                        "skus": [
                          "1619728"
                        ]
                      }
                    }
                  }
                ],
                "category": "product_name",
                "name": "CorivaEngine"
              }
            ],
            "category": "product_family",
            "name": "Localization systems"
          }
        ],
        "category": "vendor",
        "name": "SICK AG"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-59898",
      "cwe": {
        "id": "CWE-444",
        "name": "Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')"
      },
      "notes": [
        {
          "audience": "all",
          "category": "summary",
          "text": "Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, ab attacker can force WebSocket upgrade via the lax V07 (or V08) handshaker by sending `Sec-WebSocket-Version: 7` and omitting `Connection: Upgrade` / `Upgrade: websocket` headers, completing a protocol switch that a proxy would not recognize as an Upgrade request and enabling HTTP request smuggling / protocol-confusion attacks. This issue has been fixed in versions 4.1.136.Final and 4.2.16.Final.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "fixed": [
          "CSAFPID-52000"
        ],
        "known_affected": [
          "CSAFPID-51000"
        ],
        "recommended": [
          "CSAFPID-52000"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-08-31T15:06:20.395Z",
          "details": "Users are recommended to upgrade to version 2026.1.1.",
          "product_ids": [
            "CSAFPID-51000"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "environmentalScore": 7.5,
            "environmentalSeverity": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 7.5,
            "temporalSeverity": "HIGH",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-51000"
          ]
        }
      ],
      "title": "CVE-2026-59898"
    },
    {
      "cve": "CVE-2026-59899",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "notes": [
        {
          "audience": "all",
          "category": "summary",
          "text": "Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, `HttpContentEncoder` (the superclass of the production handler `HttpContentCompressor`) maintains a per-channel `ArrayDeque<CharSequence>` named `acceptEncodingQueue` that accumulates attacker-controlled data without any size limit. The queue is filled on the I/O thread for every inbound HTTP request and drained only when the application later writes a non-1xx response. This creates a resource exhaustion vulnerability when an attacker exploits HTTP/1.1 pipelining to flood the connection with requests faster than the application produces responses. This issue has been fixed in versions 4.1.136.Final and 4.2.16.Final.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "fixed": [
          "CSAFPID-52000"
        ],
        "known_affected": [
          "CSAFPID-51000"
        ],
        "recommended": [
          "CSAFPID-52000"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-08-31T15:06:20.396Z",
          "details": "Users are recommended to upgrade to version 2026.1.1.",
          "product_ids": [
            "CSAFPID-51000"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "environmentalScore": 7.5,
            "environmentalSeverity": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 7.5,
            "temporalSeverity": "HIGH",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-51000"
          ]
        }
      ],
      "title": "CVE-2026-59899"
    },
    {
      "cve": "CVE-2026-47825",
      "cwe": {
        "id": "CWE-346",
        "name": "Origin Validation Error"
      },
      "notes": [
        {
          "audience": "all",
          "category": "summary",
          "text": "Spring Cloud Gateway Server forwards the X-Forwarded-For and Forwarded headers from untrusted proxies in certain configuration scenarios. This affects both the WebMVC and WebFlux Gateway Servers. Affected versions: Spring Cloud Gateway 3.1.x (fix 3.1.13). Spring Cloud Gateway 4.1.x (fix 4.1.13). Spring Cloud Gateway 4.2.x (fix 4.2.9). Spring Cloud Gateway 4.3.x (fix 4.3.5). Spring Cloud Gateway 5.0.x (fix 5.0.2).",
          "title": "Summary"
        }
      ],
      "product_status": {
        "fixed": [
          "CSAFPID-52000"
        ],
        "known_affected": [
          "CSAFPID-51000"
        ],
        "recommended": [
          "CSAFPID-52000"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-08-31T15:06:20.396Z",
          "details": "Users are recommended to upgrade to version 2026.1.1.",
          "product_ids": [
            "CSAFPID-51000"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "environmentalScore": 8.6,
            "environmentalSeverity": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "temporalScore": 8.6,
            "temporalSeverity": "HIGH",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-51000"
          ]
        }
      ],
      "title": "CVE-2026-47825"
    }
  ]
}