CVE-2026-8719Public exploitNetwork attack vector

Subscriber-to-Administrator escalation via unchecked OAuth token authorization

Published May 17, 2026 · Updated May 17, 2026

Privilege escalation in Meow Apps AI Engine 3.4.9 allows remote authenticated users to become administrators through MCP OAuth. The MCP OAuth authorization and bearer-token validation paths accept any authenticated WordPress user's token without checking administrator capability before exposing administrative MCP tools. Subscriber access is sufficient, and successful use permits site-wide administrative actions through the exposed tools.

CVSS severity8.8
High
EPSS probability0.36%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Privilege escalation in Meow Apps AI Engine 3.4.9 allows remote authenticated users to become administrators through MCP OAuth. The MCP OAuth authorization and bearer-token validation paths accept any authenticated WordPress user's token without checking administrator capability before exposing administrative MCP tools. Subscriber access is sufficient, and successful use permits site-wide administrative actions through the exposed tools.

The record

CVE
CVE-2026-8719
Published
May 17, 2026
Updated
May 17, 2026
Vendor
Jordy Meow
Product
AI Engine
Classifications
CWE-269, T1098
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 17, 2026CVE publishedPublication date reported by the CVE source.
  2. May 17, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=3.4.9

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Jordy Meow · AI Engineversion=3.4.9

Published CVSS scores

8.8WordfenceCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-269Improper Privilege Management
T1098Account Manipulation

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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