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Findings

Vulnerability · CVE-2023-6909

lfprojects mlflow Path Traversal: '\..\filename'

Published Apr 30, 2026 · corrected/updated Apr 30, 2026 · lfprojects mlflow · evidence confidence very high

Path Traversal: '\..\filename' in GitHub repository mlflow/mlflow prior to 2.9.2.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2023-6909 is a unknown public vulnerability record for lfprojects mlflow. CISA lists it as known exploited. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether lfprojects mlflow is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: lfprojects mlflow. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: EPSS 89.7%. CISA lists it as known exploited. Sources contributing to this record: epss, vulncheck_kev. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Confirmed in CISA KEV since Apr 30, 2026. Listed in CISA KEV and VulnCheck KEV.

  • Patch and remediation

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 30, 2026 · VulnCheck KEV

    Detected

    Path Traversal: '\..\filename' in GitHub repository mlflow/mlflow prior to 2.9.2.

  2. Apr 30, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected

  • vendor lfprojects mlflowversion unspecified

Sources

  • FIRST EPSSExploitation probabilityCVE-2023-6909

    30-day exploitation probability 89.7%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2023-6909

    Path Traversal: '\..\filename' in GitHub repository mlflow/mlflow prior to 2.9.2.

    vulncheck.com

References