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Kibana CVE-2026-78608

| EUVDEUVD-2026-69569 MEDIUM
Missing Authorization (CWE-862)
2026-09-01 elastic GHSA-vrj5-p4wq-m7jc
6.5
CVSS 3.1 · Vendor: elastic
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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

Lifecycle Timeline

3
Metadata Corrected
Sep 01, 2026 - 20:40 vuln.today
tag: Authentication Bypass removed
Analysis Generated
Sep 01, 2026 - 19:51 vuln.today
CVE Published
Sep 01, 2026 - 19:20 cve.org
MEDIUM 6.5

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.

AnalysisAI

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. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires a valid Kibana user account of any privilege level - a basic analyst or read-only role is sufficient. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment 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. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation 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. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-78608 vulnerability details – vuln.today

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