CVE-2026-115709— Improper Link Resolution Before File Access ('Link Following') in Elastic Cloud Enterprise (ECE) Leading to Information Disclosure and Data Loss

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（链接跟随）”漏洞（CWE-59），攻击者可利用符号链接攻击（CAPEC-132），导致同一主机上其他部署的敏感数据被未授权泄露或丢失。

CVSS 8.2 · High Updated Oct 29, 2026

Possible ATT&CK Techniques 2 AI

T1039 · Data from Network Shared Drive T1565.001 · Stored Data Manipulation

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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 Information Disclosure and Data Loss

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 unauthorized disclosure and loss of data belonging to 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:L/PR:H/UI:N/S:C/C:H/I:H/A:H

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	2.6.0 ~ 3.8.5	-

II. Public POCs for CVE-2026-115709

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2026-115709

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Vendor Advisories for CVE-2026-115709 (1)

🔗 Elastic Cloud Enterprise (ECE) 3.8.6 and 4.2.1 Security Update (ESA-2026-216) - Announcements / Security Announcements - Discuss the Elastic Stack Read full article

https://www.cve.org/CVERecord?id=CVE-2026-115709

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

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-2026-115707	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