{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2026-27965 Vitess users with backup storage access can gain unauthorized access to production deployment environments - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-27965.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Support Lifecycle",
        "url": "https://support.microsoft.com/lifecycle"
      },
      {
        "category": "external",
        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "Vitess users with backup storage access can gain unauthorized access to production deployment environments",
    "tracking": {
      "current_release_date": "2026-03-11T14:36:03.000Z",
      "generator": {
        "date": "2026-03-12T07:26:37.066Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2026-27965",
      "initial_release_date": "2026-02-02T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2026-02-27T01:01:23.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2026-03-03T14:55:51.000Z",
          "legacy_version": "2",
          "number": "2",
          "summary": "Information published."
        },
        {
          "date": "2026-03-04T01:04:21.000Z",
          "legacy_version": "3",
          "number": "3",
          "summary": "Information published."
        },
        {
          "date": "2026-03-04T14:38:13.000Z",
          "legacy_version": "4",
          "number": "4",
          "summary": "Information published."
        },
        {
          "date": "2026-03-11T14:36:03.000Z",
          "legacy_version": "5",
          "number": "5",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "5"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "2.0",
                "product": {
                  "name": "CBL Mariner 2.0",
                  "product_id": "17086"
                }
              },
              {
                "category": "product_version",
                "name": "3.0",
                "product": {
                  "name": "Azure Linux 3.0",
                  "product_id": "17084"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 vitess 17.0.7-14",
                "product": {
                  "name": "\u003ccbl2 vitess 17.0.7-14",
                  "product_id": "2"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 vitess 17.0.7-14",
                "product": {
                  "name": "cbl2 vitess 17.0.7-14",
                  "product_id": "20946"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003cazl3 vitess 19.0.4-9",
                "product": {
                  "name": "\u003cazl3 vitess 19.0.4-9",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 vitess 19.0.4-9",
                "product": {
                  "name": "azl3 vitess 19.0.4-9",
                  "product_id": "20968"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003cazl3 vitess 19.0.4-7",
                "product": {
                  "name": "\u003cazl3 vitess 19.0.4-7",
                  "product_id": "3"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 vitess 19.0.4-7",
                "product": {
                  "name": "azl3 vitess 19.0.4-7",
                  "product_id": "17547"
                }
              }
            ],
            "category": "product_name",
            "name": "vitess"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccbl2 vitess 17.0.7-14 as a component of CBL Mariner 2.0",
          "product_id": "17086-2"
        },
        "product_reference": "2",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 vitess 17.0.7-14 as a component of CBL Mariner 2.0",
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        },
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      },
      {
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          "product_id": "17084-1"
        },
        "product_reference": "1",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 vitess 19.0.4-9 as a component of Azure Linux 3.0",
          "product_id": "20968-17084"
        },
        "product_reference": "20968",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003cazl3 vitess 19.0.4-7 as a component of Azure Linux 3.0",
          "product_id": "17084-3"
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        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
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          "name": "azl3 vitess 19.0.4-7 as a component of Azure Linux 3.0",
          "product_id": "17547-17084"
        },
        "product_reference": "17547",
        "relates_to_product_reference": "17084"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-27965",
      "cwe": {
        "id": "CWE-78",
        "name": "Improper Neutralization of Special Elements used in an OS Command (\u0026#39;OS Command Injection\u0026#39;)"
      },
      "notes": [
        {
          "category": "general",
          "text": "GitHub_M",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "20946-17086",
          "20968-17084",
          "17547-17084"
        ],
        "known_affected": [
          "17086-2",
          "17084-1",
          "17084-3"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-27965 Vitess users with backup storage access can gain unauthorized access to production deployment environments - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-27965.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-02-27T01:01:23.000Z",
          "details": "17.0.7-15:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17086-2"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2026-02-27T01:01:23.000Z",
          "details": "19.0.4-8:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17084-1",
            "17084-3"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        }
      ],
      "title": "Vitess users with backup storage access can gain unauthorized access to production deployment environments"
    }
  ]
}