---
id: CVE-2026-108940
title: A vulnerability was found in EricLBuehler Mistral.rs up to 0.9.3
summary: >-
  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 i…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L'
cwe:
  - CWE-22
published: '2026-10-13'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T13:17:25.583'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-108940'
references:
  - url: 'https://github.com/EricLBuehler/mistral.rs/'
    label: cna@vuldb.com
  - url: 'https://github.com/EricLBuehler/mistral.rs/commit/8c8105671'
    label: cna@vuldb.com
  - url: >-
      https://github.com/EricLBuehler/mistral.rs/commit/8c81056712709b4845ec6d9531e4d35bab4a367c
    label: cna@vuldb.com
  - url: 'https://github.com/EricLBuehler/mistral.rs/pull/2445'
    label: cna@vuldb.com
  - url: 'https://github.com/EricLBuehler/mistral.rs/releases/tag/v0.9.4'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-108940'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/997601'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/416764'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/416764/cti'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/997601'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.00691
epssPercentile: 0.52615
ingestedAt: '2026-10-13T01:10:59.038Z'
vendor: EricLBuehler
product: Mistral.rs
affected:
  - Mistral.rs 0.9.0
  - Mistral.rs 0.9.1
  - Mistral.rs 0.9.2
  - Mistral.rs 0.9.3
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-10-14T12:46:32.229776Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.