CVE-2026-87986 Command injection in mistral-vibe
Attackers can execute arbitrary commands on user systems by bypassing permission checks in Mistral Vibe using uninterpreted shell constructs.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-87986?
CVE-2026-87986 is a critical command injection vulnerability in mistralai mistral-vibe, published on 11 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using shell constructs it's parser cannot interpret. Unparsed portions are omitted from inspection, enabling embedded commands to execute on the user's system without approval.
Weakness: CWE-228
Which versions are affected by CVE-2026-87986?
How do I fix CVE-2026-87986?
No fix has been published for CVE-2026-87986 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-87986 being exploited?
There is no known exploitation of CVE-2026-87986 in the wild and no public exploit code.
Sources
Also known as GHSA-m93j-546h-jwjv.