CVE-2025-37727: Elasticsearch Insertion of sensitive information in log file

Published Oct 10, 2025
·
Updated

Elasticsearch Insertion of sensitive information in log file

Other sources

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

GitHub

Affected Software

12 affected componentsFixes available
Elastic Elasticsearch
maven/org.elasticsearch:elasticsearch>=9.1.0<9.1.5
9.1.5
maven/org.elasticsearch:elasticsearch>=9.0.0-beta1<9.0.8
9.0.8
maven/org.elasticsearch:elasticsearch>=8.19.0<8.19.5
8.19.5
maven/org.elasticsearch:elasticsearch>=7.0.0<8.18.8
8.18.8
Microsoft azl3 rubygem-elasticsearch 8.9.0-1
Microsoft cbl2 rubygem-elasticsearch 8.3.0-1
Elastic Elasticsearch>=7.0.0<=7.17.29
Elastic Elasticsearch>=8.0.0<8.18.8
Elastic Elasticsearch>=8.19.0<8.19.5
Elastic Elasticsearch>=9.0.0<9.0.8
Elastic Elasticsearch>=9.1.0<9.1.5

Event History

Oct 10, 2025
CVE Published
via MITRE·09:56 AM
Data Sourced
via MITRE·09:56 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·10:15 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·10:15 AM
Affected Software
Advisory Published
via GitHub·12:30 PM
Data Sourced
via GitHub·12:30 PM
DescriptionSeverityWeaknessAffected Software
Oct 11, 2025
Data Sourced
via Microsoft·01:03 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·01:03 AM
Affected Software
Updated
via Microsoft·01:03 AM
Affected Software
Updated
via Microsoft·01:03 AM
DescriptionSeverity

Frequently Asked Questions

1

What is the severity of CVE-2025-37727?

CVE-2025-37727 has a high severity rating due to the potential loss of confidentiality.

2

How do I fix CVE-2025-37727?

To fix CVE-2025-37727, update your Elasticsearch instance to the latest version provided in the security update.

3

What kind of information is affected by CVE-2025-37727?

CVE-2025-37727 affects the sensitive information logged during auditing requests to the reindex API.

4

In which versions is CVE-2025-37727 found?

CVE-2025-37727 is found in specific versions of Elasticsearch that are vulnerable to this logging issue.

5

What are the implications of CVE-2025-37727?

The implications of CVE-2025-37727 include potential exposure of sensitive data, leading to security breaches.

Contact

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