CVE-2026-108940 EricLBuehler Mistral.rs handlers.rs calibration_apply path traversal
Remote attackers can exploit a path traversal vulnerability in the calibration_apply function to read or modify arbitrary files.
- 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-2026-108940?
CVE-2026-108940 is a medium-severity path traversal vulnerability in EricLBuehler Mistral.rs, published on 12 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was found in EricLBuehler Mistral.rs up to 0.9.3. The affected element is the function calibration_apply of the file mistralrs-server-core/src/handlers.rs. Performing a manipulation of the argument save_cimatrix results in path traversal. The attack may be initiated remotely. The exploit has been made public and could be used. Upgrading to version 0.9.4 is sufficient to fix this issue. The patch is named 8c81056712709b4845ec6d9531e4d35bab4a367c. It is suggested to upgrade the affected component.
Weakness: CWE-22
Which versions are affected by CVE-2026-108940?
How do I fix CVE-2026-108940?
No fix has been published for CVE-2026-108940 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-2026-108940 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108940 exists.
Sources
Also known as GHSA-frch-8x47-3j8r.