## Elastic Cloud Enterprise (ECE) 4.2.1 Security Update (ESA-2026-222)

- 種別: advisory
- 関連技術: elasticsearch
- 公開日時: 2026-10-29T10:47:44.000Z
- 情報源: Elastic Security Announcements (https://discuss.elastic.co/t/elastic-cloud-enterprise-ece-4-2-1-security-update-esa-2026-222/391266)
- パーマリンク: https://vulnpulse.app/items/elastic-security-0517d2cd7fcf

Improper Link Resolution Before File Access ('Link Following') in Elastic Cloud Enterprise (ECE) Leading to Information Disclosure and Data Modification Improper Link Resolution Before File Access ('Link Following') (CWE-59) in Elastic Cloud Enterprise (ECE) can lead to unauthorized read and write access to data of other deployments on the same host via Symlink Attack (CAPEC-132). Affected Versions: 4.x: All versions from 4.1.0 up to and including 4.2.0 Users on the 3.x release line, including 3.8.x, and on 4.0.x are not affected. The functionality that contains this vulnerability was introdu…