CVE-2025-37727

Published: Oct 10, 2025Modified: Oct 8, 2026

5.7

Vector

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploitability: 2.1 / Impact: 3.6

Source: security@elastic.co (Secondary)

Description

Insertion of sensitive information in log file in Elasticsearch can lead to loss of confidentiality under specific preconditions when auditing requests to the reindex API https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-reindex

Affected (5)

Products: Elastic: Elasticsearch

Elastic

1 product

Elasticsearch

Configuration A

5 vulnerable

Vulnerable Software	Affected Versions
Elastic Elasticsearch	7.0.0 ≤ version ≤ 7.17.29
Elastic Elasticsearch	8.0.0 ≤ version < 8.18.8
Elastic Elasticsearch	8.19.0 ≤ version < 8.19.5
Elastic Elasticsearch	9.0.0 ≤ version < 9.0.8
Elastic Elasticsearch	9.1.0 ≤ version < 9.1.5

Related CWEs

CWE-532

Insertion of Sensitive Information into Log File

Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.

References (1)

https://discuss.elastic.co/t/elasticsearch-8-18-8-8-19-5-9-0-8-9-1-5-security-update-esa-2025-18/382453

Source: security@elastic.co

Vendor Advisory

Timeline

No history available yet.