CVE-2026-13484: A vulnerability has been found in MLflow up to 4666cffc7912ea606d592fc38d6a75e2935f65e7. The impacted element is an unknown function of the component Experiment-scoped Label Schema
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."
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-13484
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-134840.26% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 18% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-13484 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for MLflow
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- highCVE-2026-8147: In MLflow versions prior to 3.14.0, when running with authentication enabled, the trace API end…nvd · 2026-07-02
- criticalGHSA-g35p-px32-whv6: MLflow: Environment variable injection in AI Gateway secrets enables server-side credenti…ghsa · 2026-06-03
- mediumGHSA-r5m9-wm49-959f: MLflow: Any authenticated user can enumerate all gateway secrets, endpoints, and model de…ghsa · 2026-06-02
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