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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0021.

Exploitation poc

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a n/a affected
Version Status Constraints
n/a affected —

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
http://zai.com cve-icon cve-icon
http://zcode.com cve-icon cve-icon
https://gist.github.com/lkloliver/aac8dcf8a53fc4b3c1b0a5dfbf36ef68 cve-icon cve-icon
https://github.com/lkloliver/poc/tree/main/CVE-2026-88755 cve-icon cve-icon
History

Sat, 17 Oct 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Fri, 16 Oct 2026 22:15:00 +0000

Type Values Removed Values Added
Title Zai ZCode RCE via Automatic MCP Server Connection

Fri, 16 Oct 2026 20:30:00 +0000

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'}

Fri, 16 Oct 2026 15:00:00 +0000

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

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-10-16T19:06:26.428Z

Reserved: 2026-09-10T00:00:00.000Z

Link: CVE-2026-88755

cve-icon Vulnrichment

Updated: 2026-10-16T19:05:50.843Z

cve-icon NVD

Status : Deferred

Published: 2026-10-16T15:17:33.537

Modified: 2026-10-16T20:18:12.557

Link: CVE-2026-88755

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-16T22:00:16Z

Weaknesses