CVE-2026-105806
Payload: Improper access control for MCP API keys
- State
- Published
- Severity
- 8.6 High
- Published
- Oct 6, 2026
- Updated
- Oct 6, 2026
- Reserved
- Oct 5, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.6 High | 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 | GitHub_M |
Weaknesses
- CWE-862 Missing Authorization
Affected Products
| Product | Versions |
|---|---|
payloadpayloadcms |
|
plugin-mcp@payloadcms |
|
References
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