CVE-2026-93993 Mistral Vibe before 2.25.5 Remote Code Execution via git post-checkout
Attackers can execute arbitrary shell commands by supplying a repository with a crafted git post-checkout hook that bypasses trust validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-93993?
CVE-2026-93993 is a high-severity code injection vulnerability in mistralai mistral-vibe, published on 19 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Mistral Vibe before 2.25.5 contains a remote code execution vulnerability in the worktree creation process that executes git hooks before trust validation. Attackers can supply a repository with a crafted post-checkout hook that executes arbitrary shell commands with the privileges of the user running Vibe.
Weakness: CWE-829
Which versions are affected by CVE-2026-93993?
Linux distribution packages (1)
mistral-vibe openSUSE:Tumbleweed | All versions | 2.25.8-1.1 |
How do I fix CVE-2026-93993?
Upgrade to a fixed version.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-93993 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-93993 exists.
Sources
Also known as GHSA-92v2-hh9v-6vj5, openSUSE-SU-2026:11900-1.