MSRC_CVE-2026-46595

Vulnerability from csaf_microsoft - Published: 2026-05-02 00:00 - Updated: 2026-06-02 01:41
Summary
Invoking VerifiedPublicKeyCallback permissions skip enforcement in golang.org/x/crypto/ssh
Notes
Additional Resources: To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer: 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.
CVE-2026-46595
CWE-863 - Incorrect Authorization
Affected products
Product Identifier Version Remediation
Unresolved product id: 17084-2 —
Unresolved product id: 17084-1 —
Unresolved product id: 17084-5 —
Unresolved product id: 17084-4 —
Unresolved product id: 17084-3 —
References
To clipboard 

{
  "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-2026-46595 Invoking  VerifiedPublicKeyCallback permissions skip enforcement in golang.org/x/crypto/ssh - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-46595.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": "Invoking  VerifiedPublicKeyCallback permissions skip enforcement in golang.org/x/crypto/ssh",
    "tracking": {
      "current_release_date": "2026-06-02T01:41:43.000Z",
      "generator": {
        "date": "2026-06-02T07:14:05.860Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2026-46595",
      "initial_release_date": "2026-05-02T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2026-05-27T01:17:33.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2026-06-02T01:41:43.000Z",
          "legacy_version": "2",
          "number": "2",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "3.0",
                "product": {
                  "name": "Azure Linux 3.0",
                  "product_id": "17084"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "category": "product_name",
            "name": "azl3 docker-buildx 0:0.14.0-11.azl3",
            "product": {
              "name": "azl3 docker-buildx 0:0.14.0-11.azl3",
              "product_id": "2"
            }
          },
          {
            "category": "product_name",
            "name": "azl3 docker-compose 0:2.27.0-9.azl3",
            "product": {
              "name": "azl3 docker-compose 0:2.27.0-9.azl3",
              "product_id": "1"
            }
          },
          {
            "category": "product_name",
            "name": "azl3 libcontainers-common 0:20240213-3.azl3",
            "product": {
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              "product_id": "5"
            }
          },
          {
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            "product": {
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              "product_id": "4"
            }
          },
          {
            "category": "product_name",
            "name": "azl3 telegraf 0:1.31.0-19.azl3",
            "product": {
              "name": "azl3 telegraf 0:1.31.0-19.azl3",
              "product_id": "3"
            }
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 docker-buildx 0:0.14.0-11.azl3 as a component of Azure Linux 3.0",
          "product_id": "17084-2"
        },
        "product_reference": "2",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 docker-compose 0:2.27.0-9.azl3 as a component of Azure Linux 3.0",
          "product_id": "17084-1"
        },
        "product_reference": "1",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 libcontainers-common 0:20240213-3.azl3 as a component of Azure Linux 3.0",
          "product_id": "17084-5"
        },
        "product_reference": "5",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 packer 0:1.9.5-13.azl3 as a component of Azure Linux 3.0",
          "product_id": "17084-4"
        },
        "product_reference": "4",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
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          "product_id": "17084-3"
        },
        "product_reference": "3",
        "relates_to_product_reference": "17084"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-46595",
      "cwe": {
        "id": "CWE-863",
        "name": "Incorrect Authorization"
      },
      "flags": [
        {
          "label": "component_not_present",
          "product_ids": [
            "17084-2",
            "17084-1",
            "17084-5",
            "17084-4",
            "17084-3"
          ]
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Go",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "known_not_affected": [
          "17084-2",
          "17084-1",
          "17084-5",
          "17084-4",
          "17084-3"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-46595 Invoking  VerifiedPublicKeyCallback permissions skip enforcement in golang.org/x/crypto/ssh - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-46595.json"
        }
      ],
      "title": "Invoking  VerifiedPublicKeyCallback permissions skip enforcement in golang.org/x/crypto/ssh"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.