Sensitive Information Logging Vulnerability in Elasticsearch by Elastic
CVE-2025-37727

5.7MEDIUM

Key Information:

Vendor

Elastic
Status
Elastic
Vendor
CVE Published:
10 October 2025

What is CVE-2025-37727?

A flaw exists in Elasticsearch that may allow for the accidental logging of sensitive information within log files when auditing requests to the reindex API. This situation can potentially compromise data confidentiality, depending on the specific configuration and usage patterns, exposing sensitive user or system data under certain conditions.

Affected Version(s)

Elasticsearch 7.0.0 <= 7.17.29

Elasticsearch 8.0.0 <= 8.18.7

Elasticsearch 8.19.0 <= 8.19.4

References

https://discuss.elastic.co/t/elasticsearch-8-18-8-8-19-5-...

CVSS V3.1

Score:
5.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-37727 : Sensitive Information Logging Vulnerability in Elasticsearch by Elastic