CVE-2026-88755

7.8High

Published 16 Oct 2026 · NVD status: Deferred · AI triage by gemini-3.8-flash

7.8High

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required
Impact: Full C/I/A compromise
Weakness: CWE-78, CWE-200, CWE-284, CWE-863

Impact

Attackers can execute arbitrary code on a user's machine by tricking them into opening a crafted repository. The attack requires a local user to open the malicious workspace in the application.

Root cause

The client automatically connects to MCP servers defined in a repository's workspace configuration without prompting the user or validating the endpoints.

Affected systems

Z.ai ZCode v3.11.2.6792

CVSS v3.1 · CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Fix & remediation

Fixed version is not listed in the advisory; do not open untrusted repositories or workspaces, and review workspace config files for unauthorized MCP server declarations before opening them.

AI-suggested. Run it in staging first and check it against the vendor advisory. Why?

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NVD description

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.

References

Source: nvd.nist.gov/vuln/detail/CVE-2026-88755