CVE-2025-14279: MLFlow DNS rebinding through missing Origin header validation in REST server

Summary

CVE-2025-14279 affects MLFlow versions up to and including 3.4.0. The REST server does not validate the Origin header, which enables DNS rebinding attacks: malicious websites can bypass Same-Origin Policy protections and make unauthorized calls to REST endpoints. An attacker can query, update, and delete experiments, leading to potential data exfiltration, destruction, or manipulation.

Mitigation

The issue is resolved in version 3.5.0.

Affected packages in the Exposure Registry

Matched by package name and ecosystem. Each entry shows whether the package delegates to a language model and how many tracked packages depend on it.

• mlflowPyPILLM dependency since 2024-05-30 · 17 tracked dependents

Related items

• MediumCVE-2026-121936: easyVoice server-side request forgery through openaiBaseUrl in /api/v1/ttsSimilar attack · NVD/CVE Database
• MediumCVE-2026-118628: MLflow get-artifacts server-side request forgery information disclosureSimilar attack · NVD/CVE Database
• HighCVE-2026-118625: MLflow Tracking Server privilege escalation via get_endpointsSimilar attack · NVD/CVE Database
• InfoWhen trust becomes the payload: Inside the threats, etc quarterly reportSimilar attack · Elastic Security Labs
• MediumCritical Langflow flaws enable authentication bypass and RCESimilar attack · CSO Online