Skip to main content

Elastic Cloud Enterprise EUVDEUVD-2026-112924

| CVE-2026-115712 MEDIUM
Incorrect Authorization (CWE-863)
2026-10-29 elastic GHSA-9p96-w72r-87vh
4.3
CVSS 3.1 · Vendor: elastic
View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Authenticate with read-only ECE account
  2. Exploit
    Send request to change installation-wide account setting
  3. Execution
    Authorization check fails to enforce admin-only restriction
  4. Impact
    Platform-level setting modified without admin rights

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization logic validation
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Requires a valid, already-authenticated Elastic Cloud Enterprise account holding read-only platform access (PR:L) that is network-reachable to the ECE management interface; no victim user interaction is needed (UI:N). Exploitation is limited to changing a single installation-wide account setting normally restricted to platform administrators - impact is integrity-only (I:L), with no confidentiality or availability consequences stated. The principal limiting factor is the need for an existing low-privileged platform account, so exposure is bounded to users who already have some authorized access to the ECE platform; the exact setting and trigger mechanism are not described in the available sources.

Impact

This is a medium-severity authorization flaw (CVSS 4.3) that signals indicate is a routine, schedule-driven patch rather than an emergency. The CVSS vector (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N) shows network-reachable, low-complexity exploitation but requires an already-authenticated low-privileged account (PR:L), and the only impact is a limited integrity effect (I:L) - no confidentiality or availability impact. The vuln.today decision label is 'this_month', consistent with a moderate, non-urgent priority. No EPSS score, no CISA KEV listing, and no public exploit were provided in the input, so there is no evidence of active exploitation or an available exploit. The practical risk is a privilege/authorization boundary violation: a read-only platform user can alter an installation-wide setting reserved for platform administrators, which is a governance and integrity concern rather than a data-breach or service-outage risk. EPSS is simply absent (not low) here, so exploitation probability cannot be quantified from the data; the main signal of real-world importance is the vendor (Elastic) self-reporting and shipping fixed versions.

Exploit ScenarioDerived

An attacker who already holds a legitimate read-only account on an Elastic Cloud Enterprise installation sends an authenticated request to modify an installation-wide account setting that should be restricted to platform administrators. Because the authorization check is incorrect, the change is accepted, letting a low-trust user alter platform-level configuration beyond their intended role. No public exploit code or PoC was identified in the available data, and no user interaction by a victim is required.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.2% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAIv1 – Oct 29, 2026

Elastic Cloud Enterprise (ECE) permits an authenticated platform user with read-only access to change an installation-wide account setting that should be restricted to platform administrators, due to incorrect authorization (CWE-863). The flaw is network-reachable, requires a valid low-privileged ECE account, needs no user interaction, and has integrity-only impact (CVSS 4.3). No CISA KEV entry or public exploit was identified at time of analysis, and the priority label indicates a routine, schedule-driven patch rather than an emergency.

RemediationAI

Vendor-released patch: Elastic Cloud Enterprise 3.8.6 and 4.2.1 per advisory ESA-2026-221. Apply the security update referenced at https://discuss.elastic.co/t/elastic-cloud-enterprise-ece-3-8-6-and-4-2-1-security-update-esa-2026-221/391265. No separate workaround or compensating control is described in the provided data; consult the vendor advisory for any environment-specific guidance.

Affected VersionsENISA

Elastic Cloud Enterprise 4.0.0 ≤4.2.0
Elastic Cloud Enterprise 3.8.0 ≤3.8.5

Affected Packages

euvd elastic_cloud_enterprise no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

The issue is an incorrect authorization weakness (CWE-863) mapped to CAPEC-1, Accessing Functionality Not Properly Constrained by ACLs. In Elastic Cloud Enterprise, server-side access control for a platform-level account setting appears to be missing or insufficient: an authenticated account holding read-only platform access can perform a modification that should require platform administrator privileges. The CVSS vector (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N) confirms network exploitation with a low-privileged authenticated account, no user interaction, and limited integrity impact only; confidentiality and availability are unaffected. The exact setting affected and the trigger mechanism are not described in the available sources.

Know when Elastic Cloud Enterprise gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

Vendor (elastic) PRIMARY 4.3 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
vuln.today AI 4.3 MEDIUM

Network-reachable management action by an authenticated low-privileged user (PR:L), no user interaction, limited integrity impact from altering one platform setting and no confidentiality or availability effect.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (elastic).

CVSS VectorVendor: elastic

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

DescriptionCVE.org

Incorrect Authorization (CWE-863) in Elastic Cloud Enterprise (ECE) can lead to unauthorized modification of platform-level settings via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). An authenticated user with read-only access to the platform can change an installation-wide account setting that only platform administrators are permitted to change.

Threat Intelligence Overview

EPSS Score
0.2%
Top 84% exploitable
Prevalence
Low
specialized on-prem Elastic orchestration product, limited enterprise deployment footprint
Social Media
1
Sightings
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.2%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
No
Human Impact· derived
Medium
Technical Impact
Partial

Priority Score

22
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +22
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0
CVE-2024-37282 CRITICAL
9.8 Jun 28

It was identified that under certain specific preconditions, an API key that was originally created with a specific priv

CVE-2025-37736 HIGH
8.8 Nov 07

Improper Authorization in Elastic Cloud Enterprise can lead to Privilege Escalation where the built-in readonly user can

CVE-2026-115709 HIGH
8.2 Oct 29

Elastic Cloud Enterprise (ECE) instances that host multiple deployments on a single multi-tenant host are exposed to cro

CVE-2026-115713 HIGH
7.5 Oct 29

Elastic Cloud Enterprise (ECE) hosts that have not applied the 4.2.1 security update are exposed to a symlink-following

CVE-2023-31418 HIGH
7.5 Oct 26

An issue has been identified with how Elasticsearch handled incoming requests on the HTTP layer. Rated high severity (CV

CVE-2018-3828 HIGH
7.5 Sep 19

Elastic Cloud Enterprise (ECE) versions prior to 1.1.4 contain an information exposure vulnerability. Rated high severit

CVE-2025-37729 HIGH
7.2 Oct 13

Server-side template injection (SSTI) in Elastic Cloud Enterprise (ECE) allows an authenticated Administrator to execute

CVE-2026-115708 HIGH
7.2 Oct 29

Elastic Cloud Enterprise (ECE) 3.x before 3.8.6 and 4.x before 4.2.1 can allow a local, highly privileged attacker to ex

CVE-2026-115706 MEDIUM
6.8 Oct 29

Elastic Cloud Enterprise (ECE) installations on versions prior to the fixed 3.8.6 and 4.2.1 releases allow an attacker w

CVE-2022-23715 MEDIUM
6.5 Aug 25

A flaw was discovered in ECE before 3.4.0 that might lead to the disclosure of sensitive information such as user passwo

CVE-2026-115711 MEDIUM
6.4 Oct 29

Elastic Cloud Enterprise stores runtime information about its platform service containers - including secrets drawn from

CVE-2026-115707 MEDIUM
6.4 Oct 29

Privilege escalation in Elastic Cloud Enterprise lets an attacker who already controls a host in an ECE installation lev

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy