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CVE-2026-19807 ByteCoreStack <= 1.2.3 - Authenticated (Subscriber+) Privilege Escalation via wp_update_user_meta MCP Tool

🗓️ 01 Oct 2026 07:40:24Reported by WordfenceType 
cvelist
 cvelist
🔗 www.cve.org👁 10 Views

Privilege Escalation in ByteCoreStack – MCP Connector for AI Tools via wp_update_user_meta.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-19807
1 Oct 202607:40
–cve
euvd
EUVD
EUVD-2026-90548
1 Oct 202607:40
–euvd
nvd
NVD
CVE-2026-19807
1 Oct 202608:16
–nvd
patchstack
Patchstack
WordPress ByteCoreStack – MCP Connector for AI Tools plugin <= 1.2.3 - Authenticated (Subscriber+) Privilege Escalation vulnerability
1 Oct 202607:12
–patchstack
ptsecurity
Positive Technologies
PT-2026-103715
1 Oct 202600:00
–ptsecurity
[
  {
    "vendor": "bytecorestack",
    "product": "ByteCoreStack – MCP Connector for AI Tools",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "lessThanOrEqual": "1.2.3",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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