CVE-2026-67623

High

Description

Mistral Vibe before 2.23.3 contains a remote code execution vulnerability that allows attackers to execute arbitrary commands by embedding a malicious core.fsmonitor hook in a repository's .git/config file, which is triggered when vibe invokes git status --porcelain without suppressing hook execution. Attackers can distribute or create a crafted repository containing a malicious fsmonitor entry to achieve arbitrary command execution with the victim's full privileges when any vibe command is run inside that repository.

SeverityHigh

CVSS8.8

Exploit probability—

ProductMistralai Mistral-vibe

PublishedAug 5, 2026

First seenAug 5, 2026

Weakness typeCWE-829CWE-829

How to fix

Update

mistralai mistral-vibe2.23.3 or later

Patches

github.com/mistralai/mistral-vibe/commit/68ff32e6a92e80a874c8153312f0aa8ae4955477

Vendor advisories

github.com/mistralai/mistral-vibe/releases/tag/v2.23.3

Affected products

Product	Affected versions	Fixed in
mistralai mistral-vibe	v < 2.23.3	2.23.3

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