Path Traversal in EricLBuehler Mistral.rs (CVE-2026-108940)
Summary
Path traversal in EricLBuehler Mistral.rs (CVE-2026-108940). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
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.
Source: GitHub Security Advisories (Global) NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-108940 has been found in EricLBuehler Mistral.rs.
Risk of unauthorized operations or information disclosure. CVSS score: 6.5/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "EricLBuehler Mistral.rs CVE-2026-108940" on the vendor's site.
CVE-2026-108940 (EricLBuehler Mistral.rs) — CWE-22 / CVSS v3 6.5
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
Path traversal (CWE-22) exists in EricLBuehler Mistral.rs.
Check the vendor advisory for the affected versions of EricLBuehler Mistral.rs.
Severity: Medium (CVSS 6.5/10). Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで EricLBuehler Mistral.rs を使っているサービスとバージョンを洗い出す。
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2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
References
- web nvd.nist.gov
- web cna@vuldb.com
- web cna@vuldb.com
- web cna@vuldb.com
- web github.com
- web cna@vuldb.com
- web cna@vuldb.com
- web vuldb.com
- web cna@vuldb.com
- web cna@vuldb.com
- web github.com
- web cna@vuldb.com