CVE-2026-115716
Medium
Description
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.
SeverityMedium
CVSS6.5
Exploit probability—
ProductAPM Server
PublishedNov 3, 2026
First seenNov 4, 2026
Weakness typeCWE-770Allocation of resources without limits
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Elastic APM Server | 8.3.0 ≤ v ≤ 8.19.23, 9.0.0 ≤ v ≤ 9.4.8, 9.5.0 ≤ v ≤ 9.5.5 | — |
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