CVE-2026-115289
Published:November 03, 2026
Updated:November 04, 2026
Use of Multiple Resources with Duplicate Identifier (CWE-694) in APM Server can lead to information disclosure via a specially crafted agent configuration request. An authenticated APM agent could receive the central agent configuration that belongs to a different service until the cached configuration expires. A service could also run with central configuration settings, such as sampling settings, that were meant for a different service.
Affected Packages
https://github.com/elastic/apm-server.git (GITHUB):
Affected version(s) >=v7.3.0 <v8.19.24 || >=v8.0.0-alpha1 <v8.19.24 || >=v8.0.0 <v8.19.24Fix Suggestion:
Update to version v8.19.24https://github.com/elastic/apm-server.git (GITHUB):
Affected version(s) >=v9.0.0-beta1 <v9.4.9 || >=v9.0.0 <v9.4.9Fix Suggestion:
Update to version v9.4.9https://github.com/elastic/apm-server.git (GITHUB):
Affected version(s) >=v9.5.0 <v9.5.6Fix Suggestion:
Update to version v9.5.6Related Resources (2)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Use of Multiple Resources with Duplicate Identifier
EPSS
Base Score:
0.24