CVE-2026-13484

MLflow Experiment-scoped Label Schema CRUD API authorization

HIGH
8.8
CVSS Score
Published: June 28, 2026 at 08:30 AM UTC
Updated: July 1, 2026 at 11:22 PM UTC
3 products affected across 3 vendorsMlflowMLflowMLflow

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Severity
HIGH8.8
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

A vulnerability has been found in MLflow up to 4666cffc7912ea606d592fc38d6a75e2935f65e7. The impacted element is an unknown function of the component Experiment-scoped Label Schema CRUD API. Such manipulation leads to missing authorization. It is possible to launch the attack remotely. A high complexity level is associated with this attack. The exploitability is regarded as difficult. The exploit has been disclosed to the public and may be used. A reply to the GitHub issue explains, that "[t]he labeling schema PR has not been merged yet. The auth handlers will be added before the release."

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 2026-05-26
All versions
4666cffc7912ea606d592fc38d6a75e2935f65e7

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (7)

VDB EntryThird Party Advisory
Source: cverecord
https://vuldb.com/vuln/374481
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/vuln/374481/cti
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/cve/CVE-2026-13484
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/submit/837658
ExploitIssue TrackingThird Party Advisory
Source: cverecord
https://github.com/mlflow/mlflow/issues/23608
Issue TrackingThird Party AdvisoryVDB EntryExploit
Source: cverecord
https://github.com/mlflow/mlflow/issues/23608#issuecomment-4560963877
Product
Source: cverecord
https://github.com/mlflow/mlflow/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-862CWE-863

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