Medium severity5.4NVD Advisory· Published Apr 7, 2026· Updated Apr 20, 2026
CVE-2026-33865
CVE-2026-33865
Description
MLflow is vulnerable to Stored Cross-Site Scripting (XSS) caused by unsafe parsing of YAML-based MLmodel artifacts in its web interface. An authenticated attacker can upload a malicious MLmodel file containing a payload that executes when another user views the artifact in the UI. This allows actions such as session hijacking or performing operations on behalf of the victim.
This issue affects MLflow version through 3.10.1
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
mlflowPyPI | < 3.11.1 | 3.11.1 |
Affected products
6- osv-coords5 versionspkg:apk/chainguard/mlflowpkg:apk/chainguard/mlflow-fipspkg:apk/wolfi/mlflowpkg:bitnami/mlflowpkg:pypi/mlflow
< 3.11.1-r0+ 4 more
- (no CPE)range: < 3.11.1-r0
- (no CPE)range: < 3.11.1-r0
- (no CPE)range: < 3.11.1-r0
- (no CPE)range: < 3.11.1
- (no CPE)range: < 3.11.1
Patches
Vulnerability mechanics
References
8- github.com/mlflow/mlflow/pull/21435nvdIssue TrackingPatchWEB
- afine.com/blogs/attacking-mlflow-how-ml-artifacts-become-attack-vectorsnvdExploitThird Party AdvisoryWEB
- cert.pl/en/posts/2026/04/CVE-2026-33865/nvdThird Party Advisory
- github.com/advisories/GHSA-fh64-r2vc-xvhrghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-33865ghsaADVISORY
- cert.pl/en/posts/2026/04/CVE-2026-33865ghsaWEB
- github.com/mlflow/mlflow/commit/aca4dd0ec88a12f7655155c224371280e9b45ddaghsaWEB
- github.com/pypa/advisory-database/tree/main/vulns/mlflow/PYSEC-2026-93.yamlghsaWEB
News mentions
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