Quick answers
- Is CVE-2026-115708 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-115708 being exploited in the wild.
- How severe is CVE-2026-115708?
- High severity, with a CVSS score of 7.2, published 29 October 2026.
- Which products and versions are affected?
- Elastic Cloud Enterprise 1.0.0 through 3.8.5; 4.0.0 through 4.2.0.
- Is there a fix for CVE-2026-115708?
- Yes: fixed in Cloud Enterprise 3.8.6, 4.2.1. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-115708 attacked?
- It is attacked with local access.
- Am I affected by CVE-2026-115708?
- Check whether you run Elastic Cloud Enterprise at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: Cloud Enterprise 3.8.6, 4.2.1
Technical details
A CWE-59 improper link resolution flaw in Elastic Cloud Enterprise allows symlink attacks (CAPEC-132) when multiple deployments share the same allocator host. An attacker with code execution inside an Elasticsearch container can follow symlinks to access or modify files belonging to other deployments, bypassing authentication controls. The vulnerability requires prior code execution and only impacts multi-deployment configurations.
Affected products
- Elastic Cloud Enterprise 1.0.0 through 3.8.5; 4.0.0 through 4.2.0
Timeline
- 2026-10-29: disclosed