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TI-2026-82440 Aliases CVE-2026-115708GHSA-hh22-j7p9-f57f

Elastic Cloud Enterprise Link Following Flaw Enables Authentication Bypass

Priority LOW 33CWE-59Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Elastic Cloud Enterprise (ECE) contains an improper link resolution flaw (CWE-59) before file access, which allows a Symlink Attack (CAPEC-132). An attacker can exploit it to bypass authentication and make unauthorized configuration changes to other deployments on the same host. The CVSS 3.1 base score is 7.2 (HIGH), with vector CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N. Affected versions are 1.0.0 through 3.8.5 and 4.0.0 through 4.2.0, no fix is listed, and CISA has not added it to KEV.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

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).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00167 5th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ElasticElastic Cloud Enterprise1.0.0 – 3.8.5; 4.0.0 – 4.2.0—No fix listedCNA
  • Elastic Cloud Enterprise VendorElastic Affected 1.0.0 – 3.8.5; 4.0.0 – 4.2.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:elastic:elastic_cloud_enterprise:*:*:*:*:*:*:*:*before 3.8.6; 4.0.0 to before 4.2.1VulnerableElastic
  • cpe:2.3:a:elastic:elastic_cloud_enterprise:*:*:*:*:*:*:*:* Versions before 3.8.6; 4.0.0 to before 4.2.1 Vulnerable ·Elastic

Remediation

Elastic has not listed a fixed release for ECE versions 1.0.0 through 3.8.5 or 4.0.0 through 4.2.0. Until a patched version is available, restrict local access to ECE hosts to trusted administrators and monitor for unexpected symlinks in directories ECE uses.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-29 Threatist record created from CVE-2026-115708
  2. 2026-10-29 Alias added: GHSA-hh22-j7p9-f57f
  3. 2026-10-30 CISA SSVC decision points changed
  4. 2026-10-30 Priority changed: MEDIUM → LOW
  5. 2026-10-30 CISA SSVC decision points changed
  6. 2026-11-06 Affected versions changed · Red Hat
  7. 2026-11-06 CVSS score added · Red Hat

References

Advisory 1

  • TI-2024-24797 Improper authorization in Elastic Cloud Enterprise CVSS 3.1CRITICAL 9.8
  • TI-2025-25085 Elastic Cloud Enterprise (ECE) Improper Neutralization of Special Elements Used in a Template Engine CVSS 3.1CRITICAL 9.1
  • TI-2025-25091 Elastic Cloud Enterprise Improper Authorization CVSS 3.1HIGH 8.8
  • TI-2026-82441 Link following in Elastic Cloud Enterprise exposes deployment data CVSS 3.1HIGH 8.2
  • TI-2023-15036 Elasticsearch uncontrolled resource consumption CVSS 3.1HIGH 7.5
  • TI-2026-82444 Link following in Elastic Cloud Enterprise exposes other deployments CVSS 3.1HIGH 7.5
See all 15 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences