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CVE-2026-72657

nvd nist
Published: Aug 13, 2026Modified: Sep 4, 2026

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6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Exploitability: 2.8 / Impact: 3.6
Source: security@elastic.co (Secondary)

Description

Authorization Bypass Through User-Controlled Key (CWE-639) in Fleet Server can lead to information disclosure via Manipulating User-Controlled Variables (CAPEC-77). The authorization decision for artifact downloads relied on a client-supplied value that was persisted without being validated against the server-side record of the requesting agent's assignment. An authenticated party in possession of a valid enrolled agent credential could therefore retrieve a policy the agent is not assigned to.

Affected (3)

Elastic
1 product
Fleet Server
Configuration A
3 vulnerable
Vulnerable SoftwareAffected Versions
Elastic
Fleet Server
From 8.3.0 to 8.19.20
Fleet Server
From 9.0.0 to 9.4.5
Fleet Server
Version 9.5.0

Related CWEs

CWE-639
Authorization Bypass Through User-Controlled Key
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

References (1)

Source: security@elastic.co
Vendor Advisory

Timeline

No history available yet.