CVE-2026-88755

Zai ZCode RCE via Automatic MCP Server Connection

Published Oct 16, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Zai ZCode RCE via Automatic MCP Server Connection
Type Values Removed Values Added
Weaknesses CWE-200
CWE-284
CWE-78
CWE-863
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
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

Subscriptions

No data.

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Oct 16, 2026, 7:06 PM
Reserved
Sep 10, 2026, 12:00 AM
Status
Deferred
Published
Oct 16, 2026, 3:17 PM
Modified
Oct 16, 2026, 8:18 PM