CVE-2026-2734 — In mlflow/mlflow versions up to 3.9.0, the
CVE-2026-2734 — In mlflow/mlflow versions up to 3.9.0, the `SearchModelVersions` REST API endpoint and the `mlflowSearchModelVersions` GraphQL query lack proper per-model authorization checks when basic authentication is enabled. This allows any authenticated user to enumerate all model versions acr
What This Means For You
- If your environment is affected by CWE-284, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-2734 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
2 rules · 6 SIEM formats2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
Data Exfiltration to Cloud Storage
title: Data Exfiltration to Cloud Storage
id: scw-2026-05-21-1
status: experimental
level: medium
description: |
Detects large file uploads to cloud storage services, which may indicate data exfiltration following the CVE-2026-2734 incident.
author: SCW Feed Engine (auto-generated)
date: 2026-05-21
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-2734/
tags:
- attack.exfiltration
- attack.t1537
logsource:
category: proxy
detection:
selection:
dst_domain|contains:
- 'drive.google.com'
- 'dropbox.com'
- 'mega.nz'
- 'onedrive.live.com'
- 'anonfiles.com'
sc-bytes|gt: 5000000
condition: selection
falsepositives:
- Legitimate activity from CVE-2026-2734
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-2734 | vulnerability | CVE-2026-2734 |
| CWE-284 | weakness | CWE-284 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 21, 2026 at 08:16 UTC |
This content was curated and summarized by Shimi's Cyber World for informational purposes. It is not copied or republished in full. All intellectual property rights remain with the original author and source.
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