SCA: security update for @payloadcms/plugin-mcp (GHSA-2q76-m6w6-qgc6)

high Tenable Self-Hosted Container Security Plugin ID 473473

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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.
(CVE-2026-105806)

Solution

Update the @payloadcms/plugin-mcp library and its related packages to version 3.88.0 or later.

Plugin Details

Severity: High

ID: 473473

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 10/7/2026

Updated: 10/7/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.41

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS Score Source: CVE-2026-105806

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.6

Threat Score: 6.2

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 10/6/2026

Vulnerability Publication Date: 10/6/2026

Reference Information

CVE: CVE-2026-105806

cwe: CWE-862

Detections

Analytics