Configuration Exposure in Fleet Proxy by Elastic
CVE-2026-72670

7.7HIGH

Key Information:

Vendor

Elastic

Status
Vendor
CVE Published:
13 August 2026

What is CVE-2026-72670?

A vulnerability in Elastic's Fleet proxy allows users with limited read-only access to agent policies to illicitly retrieve the entire proxy configuration. This exposes sensitive information, including proxy authentication credentials and private key material, which should only be accessible to users with higher privileges. This security flaw emphasizes the need for robust access controls to safeguard critical configuration settings from unauthorized disclosure.

Affected Version(s)

Kibana 8.0.0 <= 8.19.19

Kibana 9.0.0 <= 9.4.4

References

CVSS V3.1

Score:
7.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.