High 8.6Published Oct 6, 2026

CVE-2026-105806Payload: Improper access control for MCP API keys

Updated under an hour ago (2026-10-19 07:30 UTC)

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It affects payloadcms payload and 1 other product. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.25%, higher than 16% of scored CVEs.

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Every CVE for payloadcms payload

Exploited in the last 30 days

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.

CVSS: 8.6 HIGH (v4.0, CNA)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
Weakness (CWE): CWE-862
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.25% (percentile 16)
Assigned by: GitHub_M
NVD analysis: Undergoing Analysis
Record last updated: Oct 6, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

payloadcms payload payloadcms:payload (from the name)	from 3.61.0, < 3.88.0	CNA record
@payloadcms plugin-mcp payloadcms:plugin_mcp (from the name)	from 3.61.0, < 3.88.0	CNA record

References

https://github.com/payloadcms/payload/security/advisories/GHSA-2q76-m6w6-qgc6x-refsource-confirm
https://github.com/payloadcms/payload/commit/025581d8c5ed836039ad85397288a30f0d3c11c1x-refsource-misc
https://github.com/payloadcms/payload/releases/tag/v3.88.0x-refsource-misc

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.