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AI / ML CVE-2026-3071

HIGH
Deserialization of Untrusted Data (CWE-502)
2026-02-26 6f8de1f0-f67e-45a6-b68f-98777fdb759c
Deserialization AI / ML
8.4
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Feb 26, 2026 - 15:17 nvd
HIGH 8.4

DescriptionNVD

Deserialization of untrusted data in the LanguageModel class of Flair from versions 0.4.1 to latest are vulnerable to arbitrary code execution when loading a malicious model.

AnalysisAI

Arbitrary code execution in Flair's LanguageModel class (versions 0.4.1 and later) allows local attackers to execute arbitrary commands by crafting malicious ML model files that exploit unsafe deserialization. Affected users loading untrusted models from external sources face complete system compromise with no patch currently available. …

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RemediationAI

Within 24 hours: Identify all systems running Flair versions 0.4.1 or later and disable model loading from untrusted sources; restrict access to model upload/import functions to authenticated administrators only. Within 7 days: Implement network segmentation to isolate Flair instances; conduct audit of model sources and recently loaded models for suspicious activity. …

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CVE-2026-3071 vulnerability details – vuln.today
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