CriticalVulnerability

CVE-2026-31223: snorkel insecure deserialization in BaseLabeler.load() via pickle files

Source: NVD(opens in a new tab)
Identifier: CVE-2026-31223
Published: May 12, 2026
Record updated: October 9, 2026

Affected: snorkel <= 0.10.0
Fixed in: No fixed version was stated when the source was last read.
Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
EPSS: 0.4%

Summary

CVE-2026-31223 affects the snorkel library through v0.10.0 and is classified as CWE-502, insecure deserialization. The BaseLabeler.load() method passes user-supplied file paths to pickle.load() with no validation or security controls. A remote attacker who supplies a maliciously crafted pickle file can achieve arbitrary code execution when the file is loaded through this method.

Mitigation

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

Details

Scores and exploitation

EPSS: 0.4%Estimated probability that this CVE is exploited in the next 30 days, from the FIRST Exploit Prediction Scoring System. Read on November 6, 2026.
Disclosure date: May 12, 2026

Weaknesses and techniques

AI threat technique (MITRE ATLAS): AML.T0010

Affected

Packages: snorkel@<= 0.10.0

Classification

Attack type: Supply chain
Attack sophistication: Trivial
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-2026-31223

First tracked: May 12, 2026 at 02:07 PM ET, from NVD/CVE Database

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

Classifier confidence: 90% (self-assessed)

Topics

Model and package supply chain

Summary

Mitigation

Topics

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