CVE-2025-37727

Elasticsearch Insertion of sensitive information in log file

CVSS 5.7 MEDIUMEPSS 0.2%CWE-532

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.7EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

10 Oct 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

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

Affected products

Elastic · Elasticsearch

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References

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