HighVulnerability

CVE-2026-118623: MLflow PickleEvaluationArtifact remote code execution via untrusted pickle

Source: NVD(opens in a new tab)
Identifier: CVE-2026-118623
Published: November 3, 2026
Record updated: November 4, 2026

Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.

Summary

CVE-2026-118623 is a remote code execution flaw in MLflow's PickleEvaluationArtifact component. The flaw sits in the parsing of pickle files, which lacks proper validation of user-supplied data and leads to deserialization of untrusted data. An attacker who gets a target to visit a malicious page or open a malicious file can execute code in the context of the current process.

Mitigation

The source does not state a fix yet. Check the original advisory for updates.

Details

Scores and exploitation

EPSS: Not scored. FIRST had not published an EPSS score for this CVE when it was last checked on November 4, 2026.
Disclosure date: November 3, 2026

Weaknesses and techniques

Weakness (CWE): CWE-502
Attack pattern (CAPEC): CAPEC-586
AI threat technique (MITRE ATLAS): AML.T0010

Classification

Attack type: Supply chain
Attack sophistication: Moderate
AI component targeted: Framework
Impact: Confidentiality,
Integrity,
Availability
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative. The source gives this advisory a description and no title, so the title above is a headline generated from the source text.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-118623

First tracked: November 4, 2026 at 01:08 AM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 85% (self-assessed)

Summary

Mitigation

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