P4Verified

CVE-2026-105797: simplechat < 0.261.031

CVE-2026-105797. CVSS 3.1 base score 8.8 (HIGH, Vendor/CNA).

Affected technology

simplechat · < 0.261.031
microsoft

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

An authenticated low-privileged user can omit the top-level MCP type so that _reject_non_admin_mcp_stdio skips inspection before the type is restored from metadata. Vendor/CNA’s CVSS 3.1 assessment (base score 8.8/10) rates confidentiality, integrity and availability impact as high.

Published 2026-10-06 17:56:30.211988+00:00

CWE: CWE-78, CWE-863
CCR priority: 35.2 /100 (P4)
CVSS 3.1: 8.8 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · Vendor/CNA
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-07 02:34:12.333111+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-105797.html