High severity · published Sep 23, 2026
CVE-2026-96775
MLflow dspy bypasses pickle deserialization control
8.8
CVSS
0.6%
EPSS
No
On KEV
Description
MLflow's dspy flavor, versions >= 2.0, applies the MLFLOW_ALLOW_PICKLE_DESERIALIZATION=False security control only when the model_path ends in .pkl, which allows a remote attacker to execute arbitrary code via a crafted MLmodel artifact.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ML
MLflow · MLflow
2.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-96775
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-96775
kb.cert.org
https://kb.cert.org/vuls/id/369093
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