CVE-2025-37727

MediumCVSS 5.7/10Last modified Oct 8, 2026

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

Metrics

CVSS 3.1 5.7/10CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-532

Affected software

Vendor	Product	Versions
Elastic	Elasticsearch	>= 7.0.0, <= 7.17.29; >= 8.0.0, <= 8.18.7; >= 8.19.0, <= 8.19.4; >= 9.0.0, <= 9.0.7; >= 9.1.0, <= 9.1.4

References

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

Timeline

Published: Oct 10, 2025
Last modified: Oct 8, 2026
NVD status: Analyzed

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