Payload is a free and open source headless content management system. In @payloadcms/plugin-mcp versions from 3.61.0 until 3.88.0, an authenticated user can manage MCP API keys outside the intended account, enabling privilege escalation through account takeover. This issue is fixed in version 3.88.0.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00252.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
payloadcms payload affected
Version Status Constraints
>= 3.61.0, < 3.88.0 affected —
@payloadcms plugin-mcp affected
Version Status Constraints
>= 3.61.0, < 3.88.0 affected —

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Project Subscriptions

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-2q76-m6w6-qgc6 Payload: Improper access control for MCP API keys
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/payloadcms/payload/commit/025581d8c5ed836039ad85397288a30f0d3c11c1 cve-icon cve-icon
https://github.com/payloadcms/payload/releases/tag/v3.88.0 cve-icon cve-icon
https://github.com/payloadcms/payload/security/advisories/GHSA-2q76-m6w6-qgc6 cve-icon cve-icon
History

Wed, 07 Oct 2026 06:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 06 Oct 2026 15:45:00 +0000

Type Values Removed Values Added
Description Payload is a free and open source headless content management system. In @payloadcms/plugin-mcp versions from 3.61.0 until 3.88.0, an authenticated user can manage MCP API keys outside the intended account, enabling privilege escalation through account takeover. This issue is fixed in version 3.88.0.
Title Payload: Improper access control for MCP API keys
Weaknesses CWE-862
References
Metrics cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-10-06T17:39:44.197Z

Reserved: 2026-10-05T20:37:19.365Z

Link: CVE-2026-105806

cve-icon Vulnrichment

Updated: 2026-10-06T17:34:10.714Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-06T16:17:06.257

Modified: 2026-10-06T20:03:40.690

Link: CVE-2026-105806

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-06T18:45:05Z

Weaknesses