CVE-2026-108940 Details
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.
A path traversal vulnerability has been identified in EricLBuehler Mistral.rs versions through 0.9.3. The issue arises in the calibration_apply function within the file handlers.rs. The vulnerability can be exploited remotely by manipulating the save_cimatrix argument, leading to unauthorized file access. This vulnerability has been publicly disclosed and exploited.
Users are advised to upgrade to Mistral.rs version 0.9.4, which addresses the vulnerability by restricting the save_cimatrix parameter to bare file names, preventing traversal attacks.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 13, 2026CISA-ADP
Assessed Oct 14, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://vuldb.com/submit/997601 | CISA-ADP | Issue TrackingPermission Required |
| https://github.com/EricLBuehler/mistral.rs/ | [email protected] | Vendor |
| https://github.com/EricLBuehler/mistral.rs/commit/8c8105671 | [email protected] | Source CodeVendor |
| https://github.com/EricLBuehler/mistral.rs/commit/8c81056712709b4845ec6d9531e4d35bab4a367c | [email protected] | Source CodeVendor |
| https://github.com/EricLBuehler/mistral.rs/pull/2445 | [email protected] | Issue TrackingVendor |
| https://github.com/EricLBuehler/mistral.rs/releases/tag/v0.9.4 | [email protected] | Release NotesVendor |
| https://vuldb.com/cve/CVE-2026-108940 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/997601 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/416764 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/416764/cti | [email protected] | Content Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-22 | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| EricLBuehler Mistral.rs | <= 0.9.3 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 14, 2026 | CVE Modified | CISA-ADP |
| Oct 13, 2026 | New CVE Received | [email protected] |