{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "lang": "en-US",
    "publisher": {
      "category": "coordinator",
      "contact_details": "https://www.cisa.gov/report",
      "issuing_authority": "CISA",
      "name": "CISA",
      "namespace": "https://www.cisa.gov/"
    },
    "title": "Zscaler Client Connector hard-coded proxy configuration domain",
    "tracking": {
      "current_release_date": "2026-04-02T13:54:30Z",
      "generator": {
        "engine": {
          "name": "VINCE-NT",
          "version": "1.13.0+build.51"
        }
      },
      "id": "VA-26-092-02",
      "initial_release_date": "2026-04-02T13:54:30Z",
      "status": "final",
      "version": "1.0.0",
      "revision_history": [
        {
          "number": "1.0.0",
          "summary": "Initial publication",
          "date": "2026-04-02T13:54:30Z"
        }
      ]
    },
    "distribution": {
      "tlp": {
        "label": "WHITE"
      }
    },
    "notes": [
      {
        "text": "All information products included in [https://github.com/cisagov/CSAF/tree/develop/csaf_files/IT/white](https://github.com/cisagov/CSAF/tree/develop/csaf_files/IT/white) are provided \\\"as is\\\" for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained within. DHS does not endorse any commercial product or service, referenced in this product or otherwise. Further dissemination of this product is governed by the Traffic Light Protocol (TLP) marking in the header. For more information about TLP, see [https://us-cert.cisa.gov/tlp/](https://us-cert.cisa.gov/tlp/).",
        "title": "Legal Notice",
        "category": "legal_disclaimer"
      },
      {
        "text": "Worldwide",
        "title": "Countries and Areas Deployed",
        "category": "other"
      },
      {
        "text": "Information Technology",
        "title": "Critical Infrastructure Sectors",
        "category": "other"
      },
      {
        "text": "ZScaler Client Connector 4.7 and 4.8 on Microsoft Windows hard codes a domain used to retrieve proxy configuration information. An attacker with control of this domain could provide arbitrary proxy configurations and intercept, redirect or disrupt traffic.",
        "title": "Risk Evaluation",
        "category": "summary"
      },
      {
        "text": "Fixed in 4.7.0.141 and 4.8.0.63.",
        "title": "Recommended Practices",
        "category": "general"
      },
      {
        "text": "United States",
        "title": "Company Headquarters Location",
        "category": "other"
      }
    ],
    "references": [
      {
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-092-02.json",
        "summary": "Vulnerability Advisory VA-26-092-02 CSAF",
        "category": "self"
      }
    ]
  },
  "product_tree": {
    "branches": [
      {
        "category": "vendor",
        "name": "Zscaler",
        "branches": [
          {
            "category": "product_name",
            "name": "Zscaler Client Connector",
            "branches": [
              {
                "category": "product_version_range",
                "name": ">=4.7|<4.7.0.141",
                "product": {
                  "name": "Zscaler Zscaler Client Connector >=4.7|<4.7.0.141",
                  "product_id": "CSAFPID-0001"
                }
              },
              {
                "category": "product_version",
                "name": "4.7.0.141",
                "product": {
                  "name": "Zscaler Zscaler Client Connector 4.7.0.141",
                  "product_id": "CSAFPID-0002"
                }
              },
              {
                "category": "product_version_range",
                "name": ">=4.8|<4.8.0.63",
                "product": {
                  "name": "Zscaler Zscaler Client Connector >=4.8|<4.8.0.63",
                  "product_id": "CSAFPID-0003"
                }
              },
              {
                "category": "product_version",
                "name": "4.8.0.63",
                "product": {
                  "name": "Zscaler Zscaler Client Connector 4.8.0.63",
                  "product_id": "CSAFPID-0004"
                }
              }
            ]
          }
        ]
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-22569",
      "cwe": {
        "id": "CWE-1289",
        "name": "Improper Validation of Unsafe Equivalence in Input"
      },
      "notes": [
        {
          "category": "summary",
          "text": "ZScaler Client Connector 4.7 and 4.8 on Microsoft Windows hard codes a domain used to retrieve proxy configuration information. An attacker with control of this domain could provide arbitrary proxy configurations and intercept, redirect or disrupt traffic. Fixed in 4.7.0.141 and 4.8.0.63.",
          "title": "Description"
        },
        {
          "category": "details",
          "title": "SSVC",
          "text": "SSVCv2/E:N/A:N/T:P/2026-03-31T18:08:54Z/"
        }
      ],
      "title": "ZScaler Client Connector hard-coded proxy configuration domain",
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0003"
        ],
        "fixed": [
          "CSAFPID-0002",
          "CSAFPID-0004"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "help.zscaler.com",
          "url": "https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2025"
        },
        {
          "category": "external",
          "summary": "CVE-2026-22569",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-22569"
        },
        {
          "category": "external",
          "summary": "VA-26-092-02",
          "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-092-02.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0003"
          ]
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Fixed in 4.7.0.141.",
          "url": "https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2025",
          "product_ids": [
            "CSAFPID-0002"
          ],
          "date": "2026-03-31T00:00:00Z"
        },
        {
          "category": "vendor_fix",
          "details": "Fixed in 4.8.0.63.",
          "url": "https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2025",
          "product_ids": [
            "CSAFPID-0004"
          ],
          "date": "2026-03-31T00:00:00Z"
        }
      ],
      "acknowledgments": [
        {
          "organization": "CISA",
          "names": [
            "Jordan Eberst"
          ]
        }
      ],
      "release_date": "2026-03-31T00:00:00Z"
    }
  ]
}