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CVE-2026-108586 1MCP Agent 0.20.0 through 0.39.0 OAuth Tag-Scope Bypass via Negated Tag Filter

🗓️ 10 Oct 2026 16:14:10Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 24 Views

Authenticated OAuth tag-scope bypass in 1MCP Agent via negated tag-filter expressions.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-108586
10 Oct 202616:29
–circl
cve
CVE
CVE-2026-108586
10 Oct 202616:14
–cve
euvd
EUVD
EUVD-2026-96373
10 Oct 202616:14
–euvd
mend
Mend
CVE-2026-108586
10 Oct 202616:14
–mend
nvd
NVD
CVE-2026-108586
10 Oct 202617:17
–nvd
ptsecurity
Positive Technologies
PT-2026-109676
10 Oct 202600:00
–ptsecurity
[
  {
    "vendor": "1mcp-app",
    "product": "@1mcp/agent",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0.20.0",
        "lessThanOrEqual": "0.39.0",
        "status": "affected",
        "versionType": "semver"
      }
    ],
    "packageURL": "pkg:npm/%401mcp/agent",
    "collectionURL": "https://www.npmjs.com/package/@1mcp/agent",
    "repo": "https://github.com/1mcp-app/agent"
  }
]

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