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CVE-2026-108940

EricLBuehler Mistral.rs handlers.rs calibration_apply path traversal

CVSS score

6.9

EPSS probability

%0.6

Risk score

0.0

Published

21 h ago

Official patch verified

Etkilenen ürün ve sürüm için yayımlanan güvenlik güncellemesini uygulayın.

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Vulnerability description

CVE AI research

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DayBreach AI Explanation

Verified against sources

EricLBuehler Mistral.rs Path Traversal Vulnerability

Sources read

1

Source agreement

Tam uyum

Evidence confidence

%55

Short explanation

A path traversal vulnerability (CVE-2026-108940) affecting EricLBuehler Mistral.rs up to version 0.9.3 allows remote attacks. The flaw exists due to improper handling of the save_cimatrix argument within the calibration_apply function.

Why does it matter?

This vulnerability can be initiated remotely without authentication and has a public exploit available. Failing to upgrade or patch the affected component introduces risks to system integrity and availability.

What should be done?

  • Upgrade Mistral.rs to version 0.9.4
  • Apply the related patch 8c81056712709b4845ec6d9531e4d35bab4a367c
  • Follow the vendor advisory
Chain of evidence and sources2 verified claims

EricLBuehler Mistral.rs 0.9.3 ve önceki sürümleri, calibration_apply fonksiyonunda dizin atlama zafiyetinden etkilenmektedir.

Sürüm 0.9.4'e yükseltmek veya ilgili yamayı uygulamak bu sorunu gidermek için yeterlidir.

Show the technical text from the sources

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.

CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

CWE: CWE-22

Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-108940 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1EricLBuehlerMistral.rs View
Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
6.9CVSS V4_0MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:PCVE CNA
6.5CVSS V31MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:LNVD
6.5CVSS V3_1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:O/RC:CCVE CNA
6.5CVSS V3_0MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:O/RC:CCVE CNA
6.4CVSS V2—AV:N/AC:L/Au:N/C:N/I:P/A:PNVD
6.4CVSS V2_0—AV:N/AC:L/Au:N/C:N/I:P/A:P/E:POC/RL:OF/RC:CCVE CNA
5.5CVSS V40MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch verified

8 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

cvelist

CNA çözüm referansı

Open source
cvelist

CNA çözüm referansı

Open source
cvelist

CNA çözüm referansı

Open source
cvelist

CNA çözüm referansı

Open source
reference

Yama veya çözüm referansı

Open source
reference

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Open source
reference

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Open source
reference

Yama veya çözüm referansı

Open source
Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Apply the official update named in the evidence only to the matching product and version.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-108940 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-108940 weaknesses.

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsGerekmiyor
UserGerekmiyor

Official Sources and Advisories

CVSS Vector Radar Chart

6.9 / 10
Attack VectorNetworkComplexityLowPrivilegesNoneUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityLow

Vulnerability Scoring Details

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone required
User InteractionNone required
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)None
Availability (Erişilebilirlik)Low

Yama doğrulandı

8 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

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Weakness Type (CWE & CAPEC)

Similar Vulnerabilities

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CVE-2026-108940 · EricLBuehler Mistral.rs handlers.rs calibration_apply path traversal · DayBreach