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CVE-2026-38924 (GCVE-0-2026-38924)

Vulnerability from cvelistv5 – Published: 2026-09-14 00:00 – Updated: 2026-09-14 02:51 Disputed
VLAI
Summary
In Oraios AI Serena before 1.0.0, the listen address of the MCP server in HTTP mode is 0.0.0.0. NOTE: the Supplier observed that 0.0.0.0 was a "potential security hazard" but the Serena documentation, at the time of the issue report proposing 127.0.0.1 instead of 0.0.0.0, recommended "use a sandboxed environment for running Serena."
CWE
  • CWE-669 - Incorrect Resource Transfer Between Spheres
Impacted products
Vendor Product Version CPE status
Oraios AI Serena Affected: 0 , < 1.0.0 (semver)
guessed Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Serena",
          "vendor": "Oraios AI",
          "versions": [
            {
              "lessThan": "1.0.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In Oraios AI Serena before 1.0.0, the listen address of the MCP server in HTTP mode is 0.0.0.0. NOTE: the Supplier observed that 0.0.0.0 was a \"potential security hazard\" but the Serena documentation, at the time of the issue report proposing 127.0.0.1 instead of 0.0.0.0, recommended \"use a sandboxed environment for running Serena.\""
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 2.9,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-669",
              "description": "CWE-669 Incorrect Resource Transfer Between Spheres",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-14T02:51:28.625Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/oraios/serena/commit/b00ae292ac2d49947506886f44eb1cad7b7d7cd1"
        },
        {
          "url": "https://github.com/oraios/serena/security/advisories/GHSA-m922-r24v-6wff"
        },
        {
          "url": "https://dash.security/blog/cve-2026-38924-unauthenticated-rce-in-the-serena-mcp-server"
        },
        {
          "url": "https://github.com/oraios/serena/compare/v0.1.4...v1.0.0"
        },
        {
          "url": "https://github.com/oraios/serena/commit/a7af5c1f8a9ea27102eac9e72f64dd97dbfefff3"
        }
      ],
      "tags": [
        "disputed"
      ],
      "x_generator": {
        "engine": "enrichogram 0.0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2026-38924",
    "datePublished": "2026-09-14T00:00:00.000Z",
    "dateReserved": "2026-04-06T00:00:00.000Z",
    "dateUpdated": "2026-09-14T02:51:28.625Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-38924\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2026-09-14T03:16:36.893\",\"lastModified\":\"2026-09-14T03:16:36.893\",\"vulnStatus\":\"Received\",\"cveTags\":[{\"sourceIdentifier\":\"cve@mitre.org\",\"tags\":[\"disputed\"]}],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In Oraios AI Serena before 1.0.0, the listen address of the MCP server in HTTP mode is 0.0.0.0. NOTE: the Supplier observed that 0.0.0.0 was a \\\"potential security hazard\\\" but the Serena documentation, at the time of the issue report proposing 127.0.0.1 instead of 0.0.0.0, recommended \\\"use a sandboxed environment for running Serena.\\\"\"}],\"affected\":[{\"source\":\"cve@mitre.org\",\"affectedData\":[{\"vendor\":\"Oraios AI\",\"product\":\"Serena\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"1.0.0\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cve@mitre.org\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N\",\"baseScore\":2.9,\"baseSeverity\":\"LOW\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.4,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"cve@mitre.org\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-669\"}]}],\"references\":[{\"url\":\"https://dash.security/blog/cve-2026-38924-unauthenticated-rce-in-the-serena-mcp-server\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://github.com/oraios/serena/commit/a7af5c1f8a9ea27102eac9e72f64dd97dbfefff3\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://github.com/oraios/serena/commit/b00ae292ac2d49947506886f44eb1cad7b7d7cd1\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://github.com/oraios/serena/compare/v0.1.4...v1.0.0\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://github.com/oraios/serena/security/advisories/GHSA-m922-r24v-6wff\",\"source\":\"cve@mitre.org\"}]}}"
  }
}



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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.

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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