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CVE-2026-115707— Insertion of Sensitive Information into Externally-Accessible File or Directory in Elastic Cloud Enterprise (ECE) Leading to Privilege Escalation

Quick assessment

Affected
Elastic Elastic Cloud Enterprise
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.

Elastic Cloud Enterprise（ECE）中存在“将敏感信息插入到外部可访问的文件或目录”（CWE-538）漏洞，攻击者可利用该漏洞通过“检索嵌入的敏感数据”（CAPEC-37）实现权限提升。在 ECE 证书轮换流程执行后，其保留的数据中包含了平台凭证和证书颁发机构（CA）的私钥，而权限较低的平台组件仍可读取这些数据。若攻击者能够控制部署中的任意主机，便可利用这些数据完全掌控 ECE 控制平面及其所管理的部署。

CVSS 6.4 · Medium
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I. Basic Information for CVE-2026-115707

Vulnerability Information
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Vulnerability Title
Insertion of Sensitive Information into Externally-Accessible File or Directory in Elastic Cloud Enterprise (ECE) Leading to Privilege Escalation
Source: CVE Program / CVE List V5
Vulnerability Description
Insertion of Sensitive Information into Externally-Accessible File or Directory (CWE-538) in Elastic Cloud Enterprise (ECE) can lead to privilege escalation via Retrieve Embedded Sensitive Data (CAPEC-37). After the ECE certificate rotation procedure runs, data that it retains contains platform credentials and certificate authority private keys, and lower-privileged platform components can read this data. An attacker who controls any host in the installation can use this data to get full control of the ECE control plane and of the deployments that it manages.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
文件和路径信息暴露
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Elastic Elastic Cloud Enterprise 2.6.0 ~ 3.8.5 -

II. Public POCs for CVE-2026-115707

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III. Intelligence Information for CVE-2026-115707

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Vendor Advisories for CVE-2026-115707 (1)

Same Patch Batch · Elastic · 2026-10-29 · 7 CVEs total

CVE-2026-115709 8.2 HIGH Improper Link Resolution Before File Access ('Link Following') in Elastic Cloud Enterprise
CVE-2026-115713 7.5 HIGH Improper Link Resolution Before File Access ('Link Following') in Elastic Cloud Enterprise
CVE-2026-115708 7.2 HIGH Improper Link Resolution Before File Access ('Link Following') in Elastic Cloud Enterprise
CVE-2026-115706 6.8 MEDIUM Authorization Bypass Through User-Controlled Key in Elastic Cloud Enterprise (ECE) Leading
CVE-2026-115711 6.4 MEDIUM Insertion of Sensitive Information into Externally-Accessible File or Directory in Elastic
CVE-2026-115712 4.3 MEDIUM Incorrect Authorization in Elastic Cloud Enterprise (ECE) Leading to Unauthorized Modifica

IV. Related Vulnerabilities

Same product: Elastic Cloud Enterprise
Same vendor: Elastic
Same weakness: CWE-538