Mistral AI Mistral Vibe up to 2.23.2 fsmonitor hook .git/config code injection

Summaryinfo

A vulnerability labeled as critical has been found in Mistral AI Mistral Vibe up to 2.23.2. The impacted element is an unknown function of the file .git/config of the component fsmonitor hook. Such manipulation leads to code injection. This vulnerability is listed as CVE-2026-67623. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Mistral AI Mistral Vibe up to 2.23.2. Affected by this issue is an unknown part of the file .git/config of the component fsmonitor hook. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-67623 since 07/29/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.

Upgrading to version 2.23.3 eliminates this vulnerability.

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Productinfo

Type

• Artificial Intelligence Software

Vendor

• Mistral AI

Name

• Mistral Vibe

Version

• 2.23.0
• 2.23.1
• 2.23.2

CPE 2.3info

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CPE 2.2info

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