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Kibana EUVDEUVD-2026-69569

| CVE-2026-78608 MEDIUM
Missing Authorization (CWE-862)
2026-09-01 elastic GHSA-vrj5-p4wq-m7jc
6.5
CVSS 3.1 · Vendor: elastic
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Attack ChainAIDerived

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

  1. Access
    Obtain any valid Kibana user account
  2. Delivery
    Authenticate to Kibana web interface
  3. Exploit
    Call unguarded internal APM integration API endpoint
  4. Execution
    Receive APM server credentials in response
  5. Persist
    Authenticate to APM Server with harvested credentials
  6. Impact
    Access restricted APM telemetry and trace data

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization checks on every request
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

Exploitation requires a valid Kibana user account of any privilege level - a basic analyst or read-only role is sufficient. The target endpoint is an internal APM integration function within Kibana, so the Kibana instance must have the APM integration configured and APM server credentials stored. Exploitation is limited to authenticated sessions; unauthenticated external access is not possible based on the PR:L CVSS metric. Organizations where Kibana accounts are broadly distributed (e.g., developer or analyst populations) face the highest risk, as any of those users qualifies as an attacker. Non-APM Kibana deployments where no APM server credentials are stored would have no sensitive credential to expose.

Impact

The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) reflects a network-exploitable, low-complexity flaw requiring only a standard authenticated Kibana session - consistent with the description. The confidentiality impact is rated High because APM server credentials provide authenticated access to the APM backend and its telemetry data. There is no integrity or availability impact, and scope is unchanged. No EPSS score or KEV listing was provided, and no public exploit code is referenced, suggesting this is not under active mass exploitation at time of analysis. Real-world risk is moderate-to-significant: while exploitation requires a valid Kibana account, Kibana deployments commonly grant broad read access to analysts and developers who should not hold APM administrative credentials; any such user in a production environment - whether a large enterprise or a mid-sized municipal IT deployment - can silently harvest credentials usable for further access. The limiting factor is the mandatory authenticated session; organizations that tightly control Kibana account provisioning reduce their exposure considerably.

Exploit ScenarioDerived

An analyst-role Kibana user authenticates to the Kibana web interface using their normal credentials and issues a direct HTTP request to the unguarded internal APM integration endpoint. The response returns the APM server credentials, which the attacker then uses to authenticate directly to the APM Server and access application performance telemetry, potentially including sensitive request traces, service topology, and environment variable data captured by APM agents. No exploit code is publicly referenced, but the attack requires no special tooling beyond an authenticated HTTP client.

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

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AnalysisAIv1 – Sep 01, 2026

Missing authorization on an internal Kibana APM integration function exposes APM server credentials to any authenticated Kibana user. The affected endpoint was designed for APM or Fleet administrators but lacked the corresponding role-based access control check, allowing lower-privileged authenticated users to retrieve secrets that govern access to the APM backend. No public exploit code or CISA KEV listing exists at time of analysis; however, the straightforward exploitation path and high confidentiality impact from credential exposure make this a meaningful lateral-movement risk in Elastic Stack deployments.

RemediationAI

Upgrade Kibana to version 8.19.21, 9.4.6, or 9.5.2, whichever matches your current release branch, as detailed in Elastic ESA-2026-144 at https://discuss.elastic.co/t/kibana-8-19-21-9-4-6-9-5-2-security-update-esa-2026-144/390064. If immediate patching is not possible, restrict Kibana access to the minimum necessary set of user accounts and audit which accounts currently hold any Kibana login - removing or suspending accounts for personnel who do not require access reduces the pool of potential exploiters. Additionally, rotate APM server credentials after patching to invalidate any that may have been exposed; note that credential rotation will temporarily disrupt APM data ingestion until clients are reconfigured. No vendor-documented workaround that neutralizes the flaw without patching has been identified.

Affected VersionsENISA

Kibana 8.0.0 ≤8.19.20
Kibana 9.0.0 ≤9.4.5
Kibana 7.14.0 ≤7.17.29
Kibana 9.5.0 ≤9.5.1

Affected Packages

euvd kibana 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

Kibana is Elastic's browser-based analytics and visualization front end for the Elastic Stack. Its APM (Application Performance Monitoring) integration stores and manages credentials used to connect Kibana to the Elastic APM Server. These credentials are normally accessible only to users holding APM system or Fleet administrative roles. CWE-862 (Missing Authorization) describes a code path where a sensitive operation - here, reading stored APM credentials - is reachable without verifying that the caller holds the required privilege. CAPEC-122 (Privilege Abuse) is the exploitation pattern: a legitimately authenticated but lower-privileged user abuses an unguarded internal API call. The affected CPE is cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*, indicating all Kibana versions prior to the fixes identified in ESA-2026-144.

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Severity by source

Vendor (elastic) PRIMARY 6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
vuln.today AI 6.5 MEDIUM

Any authenticated Kibana user can exploit this over the network with no complexity; only credentials are exposed, so I:N and A:N apply.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/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
High
Integrity
None
Availability
None

DescriptionCVE.org

Missing Authorization (CWE-862) in Kibana can lead to information disclosure via Privilege Abuse (CAPEC-122). An authorization control was not applied to an internal Kibana APM integration function, allowing any authenticated Kibana user to read APM server credentials that should be restricted to users holding APM or Fleet administrative privileges.

Threat Intelligence Overview

EPSS Score
0.2%
Top 90% exploitable
Prevalence
High
widely deployed enterprise observability, SIEM, and APM platform
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
High
Technical Impact
Partial

Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +32
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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