{"id":"elastic-security-832f2f56dd77","seq":2179259,"kind":"advisory","title":"Elastic Cloud Enterprise (ECE) 3.8.6 and 4.2.1 Security Update (ESA-2026-215)","url":"https://discuss.elastic.co/t/elastic-cloud-enterprise-ece-3-8-6-and-4-2-1-security-update-esa-2026-215/391262","permalink":"https://vulnpulse.app/items/elastic-security-832f2f56dd77","summary":"Improper Link Resolution Before File Access ('Link Following') in Elastic Cloud Enterprise (ECE) Leading to Authentication Bypass 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). Affected Versions: 1.x, 2.x and 3.x: All versions from 1.0.0 up to and including 3.8.5 4.x: All versions from 4.0.0 up to and including 4.2.0 Affected Configurations: ECE installations that run more than one deplo…","severity":null,"techs":["elasticsearch"],"cves":[],"tags":["security"],"source":{"id":"elastic-security","name":"Elastic Security Announcements"},"published_at":"2026-10-29T10:46:12.000Z","fetched_at":"2026-10-29T10:49:52.785Z"}