CVE-2026-31223

The snorkel library thru v0.10.0 contains a critical insecure deserialization vulnerability (CWE-502) in the BaseLabeler.load() method of the BaseLabeler class. The method loads serialized labeler models using the unsafe pickle.load() function on user-supplied file paths without any validation or security controls. Python's pickle module is inherently dangerous for deserializing untrusted data, as it can execute arbitrary code during the deserialization process. A remote attacker can exploit this by providing a maliciously crafted pickle file, leading to arbitrary code execution on the victim's system when the file is loaded via the vulnerable method.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/snorkel-team/snorkel	Product
https://www.notion.so/CVE-2026-31223-35d1e1393188811ab1d0e4a8a2e67992	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:snorkel:snorkel:*:*:*:*:*:*:*:*

History

13 May 2026, 15:46

Type	Values Removed	Values Added
First Time		Snorkel Snorkel snorkel
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 8.8
CPE		cpe:2.3:a:snorkel:snorkel::::::::
References	~~() https://github.com/snorkel-team/snorkel -~~	() https://github.com/snorkel-team/snorkel - Product
References	~~() https://www.notion.so/CVE-2026-31223-35d1e1393188811ab1d0e4a8a2e67992 -~~	() https://www.notion.so/CVE-2026-31223-35d1e1393188811ab1d0e4a8a2e67992 - Third Party Advisory
CWE		CWE-502

12 May 2026, 16:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-12 16:16

Updated : 2026-05-15 19:16

NVD link : CVE-2026-31223

Mitre link : CVE-2026-31223

CVE.ORG link : CVE-2026-31223

JSON object : View

Products Affected

snorkel

snorkel

CWE

CWE-502

Deserialization of Untrusted Data

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