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CVE-2026-82298

Incorrect Authorization in Kibana Leading to Denial of Service

MEDIUM
4.3
CVSS Score
Published: September 3, 2026 at 06:35 PM UTC
Updated: September 8, 2026 at 02:31 PM UTC
1 product affected across 1 vendorKibana

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

Incorrect Authorization (CWE-863) in Kibana can lead to denial of service via Exploiting Incorrectly Configured Access Control Security Levels (CAPEC-180).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Kibana· Elasticsearch
60%
8.0.0 ≤ v ≤ 8.19.209.0.0 ≤ v ≤ 9.4.59.5.0 ≤ v ≤ 9.5.28.0.09.0.09.5.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://discuss.elastic.co/t/kibana-8-19-21-9-4-6-9-5-3-security-update-esa-2026-174/390162

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMelastic
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-863

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