CVE-2026-33865Disclosure(lfprojects / mlflow)

LOWCVSS 5.4 · MEDIUM

Signal is active with 2 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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

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0.0/ 10 priority

Sources & remediation

Patch / fix

https://github.com/mlflow/mlflow/pull/21435

Exploit / PoC references

https://afine.com/blogs/attacking-mlflow-how-ml-artifacts-become-attack-vectors

Vendor / third-party advisories

https://cert.pl/en/posts/2026/04/CVE-2026-33865/

Weakness type (CWE)

CWE-79

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

mlflow

Threat summary

3 mentions across 2 observed days
Momentum state: stable

What's happening

Technical details provided in 3 signals
Disclosure: 3 classified signals
Peaked at 2 mentions on most recent observed day (2026-04-13)
3 total mentions across 2 days

Affected systems

Vendors

lfprojects

Products

mlflow

Deep dive

Activity timeline3 mentions / 2d

Signal classification1 categories

Disclosure

3100.0%

Referenced assets3 URLs

By indicator

Classification over time

Date	Total	Labels

2026-04-07	1	Disclosure1
2026-04-13	2	Disclosure2

Full discourse3 posts

CVE@CVEnew178d
Disclosure
CVE-2026-33865 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… https://www.cve.org/CVERecord?id=CVE-2026-33865
Post summary
The post announces a stored XSS flaw in MLflow’s web UI due to YAML parsing, but provides no PoC, exploit, patch, or evidence of active exploitation.
00010700
57.1K followersView on X
Infoflowcloud@infoflowcloud178d
Disclosure
🚨*CVE* CVE-2026-33865 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… https://www.cve.org/CVERecord?id=CVE-2026-33865 ----- Traducción: CVE-2026-33865 MLf… http://infoflow.cloud`
Post summary
The post announces that CVE-2026-33865 affects MLflow by enabling stored XSS through unsafe YAML parsing, detailing the vulnerability type but providing no PoC, exploit, or patch information.
0000035
71 followersView on X
Vulmon Vulnerability Feed@VulmonFeeds184d
Disclosure
CVE-2026-33865 Stored Cross-Site Scripting in MLflow Through Version 3.10.1 via YAML Parsing https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-33865
Post summary
The post discloses CVE‑2026‑33865, detailing a stored XSS flaw in MLflow through YAML parsing, without mentioning PoC, exploitation tools, or active attacks.
0000047
4.0K followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	lfprojects	mlflow	-	-	-

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