CVE-2023-46666: Elastic Sharepoint Online Python Connector Improper Access Control

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-10-26 · updated 2026-06-17
Weakness: CWE-284

Description

An issue was discovered when using Document Level Security and the SPO "Limited Access" functionality in Elastic Sharepoint Online Python Connector. If a user is assigned limited access permissions to an item on a Sharepoint site then that user would have read permissions to all content on the Sharepoint site through Elasticsearch.

Affected products

Elastic Sharepoint Online Python Connector: before 8.10.3.0 — fixed in 8.10.3.0

How to fix

Upgrade to a fixed version: Elastic Sharepoint Online Python Connector 8.10.3.0. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2023-46666 or the next vulnerability affects your stack