VA-26-092-02

Vulnerability from csaf_cisa - Published: 2026-04-02 13:54 - Updated: 2026-04-02 13:54
Summary
Zscaler Client Connector hard-coded proxy configuration domain
Notes
Legal Notice: 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/).
Countries and Areas Deployed: Worldwide
Critical Infrastructure Sectors: Information Technology
Risk Evaluation: 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.
Recommended Practices: Fixed in 4.7.0.141 and 4.8.0.63.
Company Headquarters Location: United States
CWE-1289 - Improper Validation of Unsafe Equivalence in Input
Acknowledgments
CISA Jordan Eberst

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    "notes": [
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        "category": "legal_disclaimer",
        "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": "other",
        "text": "Worldwide",
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        "text": "Information Technology",
        "title": "Critical Infrastructure Sectors"
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      {
        "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.",
        "title": "Risk Evaluation"
      },
      {
        "category": "general",
        "text": "Fixed in 4.7.0.141 and 4.8.0.63.",
        "title": "Recommended Practices"
      },
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        "text": "United States",
        "title": "Company Headquarters Location"
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    "title": "Zscaler Client Connector hard-coded proxy configuration domain",
    "tracking": {
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                "category": "product_version_range",
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      "acknowledgments": [
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          "organization": "CISA"
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      ],
      "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"
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          "text": "SSVCv2/E:N/A:N/T:P/2026-03-31T18:08:54Z/",
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      "product_status": {
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          "CSAFPID-0004"
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      },
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          "date": "2026-03-31T00:00:00Z",
          "details": "Fixed in 4.7.0.141.",
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            "CSAFPID-0002"
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          ],
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        }
      ],
      "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"
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      ],
      "title": "ZScaler Client Connector hard-coded proxy configuration domain"
    }
  ]
}


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