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CVE-2026-115716— Allocation of Resources Without Limits or Throttling in APM Server Leading to Denial of Service

Quick assessment

Affected
Elastic APM Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

APM Server 中存在“无限制或无节流机制的资源分配”漏洞（CWE-770），攻击者可通过发送超大序列化数据载荷（CAPEC-231）引发拒绝服务攻击。若攻击者能够通过 HTTP 向 APM Server 发送 OpenTelemetry（OTLP）数据，即可导致 APM Server 耗尽内存并终止运行，从而中断 APM 及 OpenTelemetry 数据的接收，直至 APM Server 重启。

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1 AI

T1499.003 · Application Exhaustion Flood

Affected Version Matrix 3

VendorProduct Version RangeStatus
Elastic APM Server 8.3.0≤ 8.19.23 affected
9.0.0≤ 9.4.8 affected
9.5.0≤ 9.5.5 affected
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I. Basic Information for CVE-2026-115716

Vulnerability Information
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Vulnerability Title
Allocation of Resources Without Limits or Throttling in APM Server Leading to Denial of Service
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Elastic APM Server 8.3.0 ~ 8.19.23 -

II. Public POCs for CVE-2026-115716

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III. Intelligence Information for CVE-2026-115716

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Other References for CVE-2026-115716 (1)

Same Patch Batch · Elastic · 2026-11-03 · 12 CVEs total

CVE-2026-115290 7.5 HIGH Uncontrolled Recursion in Elasticsearch Leading to Denial of Service
CVE-2026-115714 7.4 HIGH Improper Certificate Validation in Elastic Docker Images Leading to Interception of TLS Co
CVE-2026-115294 7.3 HIGH Improper Limitation of a Pathname to a Restricted Directory in Kibana Leading to Unauthori
CVE-2026-115297 6.5 MEDIUM NULL Pointer Dereference in Packetbeat Leading to Denial of Service
CVE-2026-115715 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of
CVE-2026-115293 6.5 MEDIUM Insertion of Sensitive Information Into Sent Data in Kibana Leading to Credential Disclosu
CVE-2026-115298 4.3 MEDIUM Incorrect Authorization in Elasticsearch Leading to Information Disclosure
CVE-2026-115295 4.3 MEDIUM Authorization Bypass Through User-Controlled Key in Kibana Leading to Information Disclosu
CVE-2026-115292 4.3 MEDIUM Authorization Bypass Through User-Controlled Key in Kibana Leading to Information Disclosu
CVE-2026-115289 4.3 MEDIUM Use of Multiple Resources with Duplicate Identifier in APM Server Leading to Information D
CVE-2026-115710 4.2 MEDIUM Use of Cache Containing Sensitive Information in Elasticsearch Leading to Information Disc

IV. Related Vulnerabilities

Same product: APM Server
Same vendor: Elastic
Same weakness: CWE-770