CVE-2026-88755 Code injection in n/a

High 7.8 Published Updated

Attackers can execute arbitrary code by tricking users into opening a crafted repository that triggers automatic MCP server connections.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-88755?

CVE-2026-88755 is a high-severity code injection vulnerability in n/a, published on 16 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-863, CWE-78, CWE-284, CWE-200

Which versions are affected by CVE-2026-88755?

How do I fix CVE-2026-88755?

No fix has been published for CVE-2026-88755 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-88755 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-88755 exists.

Sources

Also known as GHSA-2vx4-m2rp-32rx.

Is CVE-2026-88755 in your software?

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