What is CVE-2025-25014?

CVE-2025-25014 is a critical-severity vulnerability in Elastic Kibana, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 9.1/10. Published 2025-05-06.

How severe is CVE-2025-25014?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Is CVE-2025-25014 known to be exploited?

5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Prototype Pollution in Elastic Kibana

CVE-2025-25014

A Prototype pollution vulnerability in Kibana leads to arbitrary code execution via crafted HTTP requests to machine learning and reporting endpoints.

Vulnerability class: Prototype Pollution

EPSS: 0.025 (85.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Elastic Kibana — versions 8.3.0, 8.18.0, 9.0.0

Weakness classification (CWE)

CWE-1321 — Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution)

Public proof-of-concept exploits

References

discuss.elastic.co/t/kibana-8-17-6-8-18-1-or-9-0-1-security-update-esa-2025-07/…

Frequently asked questions

What is CVE-2025-25014?: CVE-2025-25014 is a critical-severity vulnerability in Elastic Kibana, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 9.1/10. Published 2025-05-06.
How severe is CVE-2025-25014?: Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2025-25014 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.