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TI-2026-82438 Aliases CVE-2026-115706GHSA-fmgj-xvwq-2gqq

Authorization bypass in Elastic Cloud Enterprise enables escalation

Priority LOW 32CWE-639Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

Elastic Cloud Enterprise versions 1.0.0 through 3.8.5 and 4.0.0 through 4.2.0 are affected. An authorization bypass through a user-controlled key (CWE-639) lets a request obtain credentials reserved for other platform roles. An attacker who controls any host in an ECE installation can gain full control of the control plane and the deployments it manages.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Description from the CNA

Authorization Bypass Through User-Controlled Key (CWE-639) in Elastic Cloud Enterprise (ECE) can lead to privilege escalation via Privilege Abuse (CAPEC-122). An attacker who controls any host in an ECE installation can obtain credentials that are reserved for other platform roles. These credentials can give the attacker full control of the ECE control plane and of the deployments that it manages.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00245 15th 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

The sources list no fixed version for Elastic Cloud Enterprise.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Timeline

  1. 2026-10-29 Threatist record created from CVE-2026-115706
  2. 2026-10-29 Alias added: GHSA-fmgj-xvwq-2gqq
  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

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