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CVE-2026-115706— Authorization Bypass Through User-Controlled Key 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“通过用户控制键绕过授权”（CWE-639）漏洞，攻击者可利用该漏洞实施“权限滥用”（CAPEC-122）以实现权限提升。任何能够控制 ECE 部署中任一主机的攻击者，均可获取本应保留给其他平台角色的凭证。凭借这些凭证，攻击者将能够完全控制 ECE 控制平面及其所管理的所有部署。

CVSS 6.8 · Medium
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I. Basic Information for CVE-2026-115706

Vulnerability Information
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Vulnerability Title
Authorization Bypass Through User-Controlled Key in Elastic Cloud Enterprise (ECE) Leading to Privilege Escalation
Source: CVE Program / CVE List V5
Vulnerability Description
Authorization Bypass Through User-Controlled Key (CWE-639) in Elastic Cloud Enterprise (ECE) can lead to privilege escalation via Privilege Abuse (CAPEC-122). An attacker who controls any host in an ECE installation can obtain credentials that are reserved for other platform roles. These credentials can give the attacker 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:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Elastic Elastic Cloud Enterprise 1.0.0 ~ 3.8.5 -

II. Public POCs for CVE-2026-115706

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III. Intelligence Information for CVE-2026-115706

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Vendor Advisories for CVE-2026-115706 (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-2026-115707 6.4 MEDIUM Insertion of Sensitive Information into Externally-Accessible File or Directory in Elastic
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-639