CVE-2026-115716
Published:November 03, 2026
Updated:November 04, 2026
Allocation of Resources Without Limits or Throttling (CWE-770) in APM Server can lead to denial of service via Oversized Serialized Data Payloads (CAPEC-231). An attacker who can send OpenTelemetry (OTLP) data to APM Server over HTTP can cause APM Server to exhaust its memory and terminate. This stops the intake of APM and OpenTelemetry data until APM Server restarts.
Affected Packages
https://github.com/elastic/apm-server.git (GITHUB):
Affected version(s) >=v9.5.0 <v9.5.6Fix Suggestion:
Update to version v9.5.6https://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) >=v8.3.0 <v8.19.24Fix Suggestion:
Update to version v8.19.24Related Resources (2)
Do you need more information?
Contact UsCVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Allocation of Resources Without Limits or Throttling
EPSS
Base Score:
0.35