CVE-2026-115708— Improper Link Resolution Before File Access ('Link Following') in Elastic Cloud Enterprise (ECE) Leading to Authentication Bypass

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“文件访问前的链接解析不当”（即“跟随链接”）漏洞（CWE-59），攻击者可利用符号链接攻击（CAPEC-132）绕过身份验证，并对同一主机上的其他部署的配置进行未授权的修改。

CVSS 7.2 · High Updated Oct 29, 2026

Possible ATT&CK Techniques 1 AI

T1558.002 · Silver Ticket

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Vulnerability Information

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Vulnerability Title

Improper Link Resolution Before File Access ('Link Following') in Elastic Cloud Enterprise (ECE) Leading to Authentication Bypass

Source: CVE Program / CVE List V5

Vulnerability Description

Improper Link Resolution Before File Access ('Link Following') (CWE-59) in Elastic Cloud Enterprise (ECE) can lead to authentication bypass and unauthorized changes to the configuration of other deployments on the same host via Symlink Attack (CAPEC-132).

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N

Source: CVE Program / CVE List V5

Vulnerability Type

在文件访问前对链接解析不恰当(链接跟随)

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-2026-115708

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2026-115708

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Vendor Advisories for CVE-2026-115708 (1)

🔗 Elastic Cloud Enterprise (ECE) 3.8.6 and 4.2.1 Security Update (ESA-2026-215) - Announcements / Security Announcements - Discuss the Elastic Stack

https://www.cve.org/CVERecord?id=CVE-2026-115708

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-2026-115706	6.8 MEDIUM	Authorization Bypass Through User-Controlled Key in Elastic Cloud Enterprise (ECE) Leading
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-59