Vulnerability · Published Oct 12, 2026 · Assigned by VulDB
CVE-2026-108940EricLBuehler Mistral.rs handlers.rs calibration_apply path traversal
Medium 6.5
In plain English
A medium-severity path traversal in Mistral.rs from EricLBuehler. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| EricLBuehler | Mistral.rs | 0.9.00.9.10.9.20.9.3 |
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:O/RC:C
References
- VDB-416764 | EricLBuehler Mistral.rs handlers.rs calibration_apply path traversal vdb-entry, technical-description
- VDB-416764 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-108940 | CVE Analysis and Report third-party-advisory
- Submit #997601 | https://github.com/EricLBuehler/ mistral.rs v0.9.2 Unauthenticated arbitrary-path file write third-party-advisory
- https://github.com/EricLBuehler/mistral.rs/commit/8c8105671 patch
- https://github.com/EricLBuehler/mistral.rs/pull/2445 issue-tracking, patch
- https://github.com/EricLBuehler/mistral.rs/commit/8c81056712709b4845ec6d9531e4d35bab4a367c patch
- https://github.com/EricLBuehler/mistral.rs/releases/tag/v0.9.4 patch
- https://github.com/EricLBuehler/mistral.rs/ product