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usn-8740-1
Vulnerability from osv_ubuntu
Published
2026-09-10 06:57
Modified
2026-09-10 06:57
Summary
dotnet8, dotnet10 vulnerabilities
Details

Weeraphat Srisutham discovered that the .NET watch BrowserRefreshServer did not properly validate cross-origin WebSocket connections. An attacker could possibly use this issue to expose sensitive information. (CVE-2026-58649)

Rajesh Chada discovered that the .NET watch AspireServerService improperly exposed information through the use of certain arguments. An attacker could possibly use this issue to elevate privileges and execute arbitrary code. (CVE-2026-69806)


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                  "type": "CVSS_V3"
                },
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                  "score": "medium",
                  "type": "Ubuntu"
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                  "type": "CVSS_V3"
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            },
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                },
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                }
              ]
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                  "type": "CVSS_V3"
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        "10.0.111-10.0.11-0ubuntu1~26.04.1"
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  ],
  "aliases": [],
  "details": "Weeraphat Srisutham discovered that the .NET watch BrowserRefreshServer did\nnot properly validate cross-origin WebSocket connections. An attacker could\npossibly use this issue to expose sensitive information. (CVE-2026-58649)\n\nRajesh Chada discovered that the .NET watch AspireServerService improperly\nexposed information through the use of certain arguments. An attacker could\npossibly use this issue to elevate privileges and execute arbitrary code.\n(CVE-2026-69806)",
  "id": "USN-8740-1",
  "modified": "2026-09-10T06:57:42Z",
  "published": "2026-09-10T06:57:42Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8740-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-58649"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-69806"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "dotnet8, dotnet10 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2026-58649",
    "UBUNTU-CVE-2026-69806"
  ]
}



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Sightings

Author Source Type Date Other

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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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