High severity · published Oct 29, 2026
CVE-2026-115708
Improper Link Resolution Before File Access ('Link Following') in Elastic Cloud Enterprise (ECE) Leading to Authentication Bypass
New
7.2
CVSS
–
EPSS
No
On KEV
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).
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
Attack vector
Local
Complexity
High
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EC
Elastic Cloud Enterprise · Elastic
1.0.0 through 3.8.5; 4.0.0 through 4.2.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-115708
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-115708
discuss.elastic.co
https://discuss.elastic.co/t/elastic-cloud-enterprise-ece-3-8-6-and-4-2-1-security-update-esa-2026-215/391262
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