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1 vulnerability found for plugin-mcp by @payloadcms
CVE-2026-105806 (GCVE-0-2026-105806)
Vulnerability from cvelistv5
Published
2026-10-06 15:35
Modified
2026-10-06 17:39
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-862 - Missing Authorization
Summary
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.
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| payloadcms | payload |
Version: >= 3.61.0, < 3.88.0 |
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{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-105806",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-10-06T17:34:09.694438Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-10-06T17:39:44.197Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "payload",
"vendor": "payloadcms",
"versions": [
{
"status": "affected",
"version": "\u003e= 3.61.0, \u003c 3.88.0"
}
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},
{
"product": "plugin-mcp",
"vendor": "@payloadcms",
"versions": [
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"version": "\u003e= 3.61.0, \u003c 3.88.0"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 8.6,
"baseSeverity": "HIGH",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "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",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-862",
"description": "CWE-862: Missing Authorization",
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"providerMetadata": {
"dateUpdated": "2026-10-06T15:35:17.028Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/payloadcms/payload/security/advisories/GHSA-2q76-m6w6-qgc6",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/payloadcms/payload/security/advisories/GHSA-2q76-m6w6-qgc6"
},
{
"name": "https://github.com/payloadcms/payload/commit/025581d8c5ed836039ad85397288a30f0d3c11c1",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/payloadcms/payload/commit/025581d8c5ed836039ad85397288a30f0d3c11c1"
},
{
"name": "https://github.com/payloadcms/payload/releases/tag/v3.88.0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/payloadcms/payload/releases/tag/v3.88.0"
}
],
"source": {
"advisory": "GHSA-2q76-m6w6-qgc6",
"discovery": "UNKNOWN"
},
"title": "Payload: Improper access control for MCP API keys"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-105806",
"datePublished": "2026-10-06T15:35:17.028Z",
"dateReserved": "2026-10-05T20:37:19.365Z",
"dateUpdated": "2026-10-06T17:39:44.197Z",
"state": "PUBLISHED"
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"dataType": "CVE_RECORD",
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