{
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      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-108586",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
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                ],
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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        {
          "collectionURL": "https://www.npmjs.com/package/@1mcp/agent",
          "defaultStatus": "unaffected",
          "packageURL": "pkg:npm/%401mcp/agent",
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          "repo": "https://github.com/1mcp-app/agent",
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              "versionType": "semver"
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      "credits": [
        {
          "lang": "en",
          "type": "finder",
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      ],
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      "descriptions": [
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          "lang": "en",
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        }
      ],
      "metrics": [
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          "cvssV4_0": {
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            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
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            "vulnIntegrityImpact": "LOW"
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            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-863",
              "description": "Incorrect Authorization",
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      "providerMetadata": {
        "dateUpdated": "2026-10-10T16:14:10.297Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://hackmd.io/@haind/1mcp-negated-tag-filter-oauth-scope-bypass"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/1mcp-app/agent/blob/v0.39.0/src/sdk/legacy/transport/http/middlewares/scopeAuthMiddleware.ts#L163-L183"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/1mcp-app/agent/blob/v0.39.0/src/transport/http/routes/inspectHelpers.ts#L79-L102"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/1mcp-app/agent"
        },
        {
          "name": "VulnCheck Advisory: 1MCP Agent 0.20.0 through 0.39.0 OAuth Tag-Scope Bypass via Negated Tag Filter",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/1mcp-agent-0.20.0-through-0.39.0-oauth-tag-scope-bypass-via-negated-tag-filter"
        }
      ],
      "title": "1MCP Agent 0.20.0 through 0.39.0 OAuth Tag-Scope Bypass via Negated Tag Filter",
      "x_generator": {
        "engine": "vulncheck-endgame"
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-108586",
    "datePublished": "2026-10-10T16:14:10.297Z",
    "dateReserved": "2026-10-10T16:07:40.380Z",
    "dateUpdated": "2026-10-13T18:27:18.799Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.2"
}