---
id: CVE-2026-88755
title: >-
  Z.ai ZCode v3.11.2.6792 was discovered to automatically establish connections
  with MCP servers declared inside a repository's workspace configuration,
  possibly allowing attackers to execute arbitrary code via opening a crafted
  repository.
summary: >-
  Z.ai ZCode v3.11.2.6792 was discovered to automatically establish connections
  with MCP servers declared inside a repository's workspace configuration,
  possibly allowing attackers to execute arbitrary code via opening a crafted
  repository.
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-78
  - CWE-200
  - CWE-284
  - CWE-863
published: '2026-10-16'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T20:18:12.557'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-88755'
references:
  - url: 'http://zai.com'
    label: cve@mitre.org
  - url: 'http://zcode.com'
    label: cve@mitre.org
  - url: 'https://gist.github.com/lkloliver/aac8dcf8a53fc4b3c1b0a5dfbf36ef68'
    label: cve@mitre.org
  - url: 'https://github.com/lkloliver/poc/tree/main/CVE-2026-88755'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.0021
epssPercentile: 0.11164
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-16T19:06:22.170802Z'
ingestedAt: '2026-10-16T15:11:47.118Z'
---

## Overview

Z.ai ZCode v3.11.2.6792 was discovered to automatically establish connections with MCP servers declared inside a repository's workspace configuration, possibly allowing attackers to execute arbitrary code via opening a crafted repository.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.