CVE-2026-87983 Path traversal in mistral-vibe
Attackers can read arbitrary files outside the workspace by exploiting improper quote handling in shell command path validation.
- 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-2026-87983?
CVE-2026-87983 is a critical path traversal 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 file read vulnerability in Mistral Vibe, introduced in version 2.6.0, allows an attacker to bypass workspace restrictions using quoted absolute paths in allowlisted shell commands. Improper handling of quotation marks during path validation enables files outside the active workspace to be read without user approval.
Weakness: CWE-22
Which versions are affected by CVE-2026-87983?
How do I fix CVE-2026-87983?
No fix has been published for CVE-2026-87983 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-87983 being exploited?
There is no known exploitation of CVE-2026-87983 in the wild and no public exploit code.
Sources
Also known as GHSA-wcxh-p9m4-jq8r.