Elastic Cloud Enterprise (ECE) 3.8.6 and 4.2.1 Security Update (ESA-2026-216)

Improper Link Resolution Before File Access ('Link Following') in Elastic Cloud Enterprise (ECE) Leading to Information Disclosure and Data Loss 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). Affected Versions: 2.x and 3.x: All versions from 2.6.0 up to and including 3.8.5 4.x: All versions from 4.0.0 up to and including 4.2.0 Affected Configurations: Exploitation requires that an attacker can run code i…

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2026/10/29 19:46，Elastic Security Announcements 发布了“Elastic Cloud Enterprise (ECE) 3.8.6 and 4.2.1 Security Update (ESA-2026-216)”（类型：漏洞公告）。相关技术：Elasticsearch / OpenSearch。