EUVD-2026-70663
GHSA-23j5-gc8f-m7mc
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Kibana is network-accessible, a low-privilege account is the only prerequisite, and the impact is high on configuration confidentiality and integrity with no availability disruption.
Primary rating from Vendor (elastic).
CVSS VectorVendor: elastic
Lifecycle Timeline
3DescriptionCVE.org
Incorrect Authorization (CWE-863) in Kibana can lead to unauthorized configuration modification via Exploiting Incorrectly Configured Access Control Security Levels (CAPEC-180).
AnalysisAI
Incorrect authorization (CWE-863) in Elastic Kibana allows authenticated users holding only low-privilege accounts to modify configurations that should be restricted to higher-privilege roles, bypassing Kibana's access control enforcement. The CVSS vector (AV:N/AC:L/PR:L/UI:N, C:H/I:H/A:N) confirms the flaw is network-exploitable with minimal complexity and yields high confidentiality and integrity impact against Kibana's configuration plane. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid Kibana account assigned to at least a low-privilege role (PR:L per CVSS vector); completely unauthenticated access is not sufficient. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 8.1 score is well-grounded in the vector: network-reachable (AV:N), low complexity (AC:L), low-privilege authenticated (PR:L), no user interaction (UI:N), with high confidentiality and integrity impact and no availability impact (A:N). … 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 the patched releases identified in ESA-2026-178: the advisory URL (https://discuss.elastic.co/t/kibana-8-19-22-9-4-7-9-5-3-security-update-esa-2026-178/390164) indicates fixed versions of 8.19.2, 9.4.7, and 9.5.3 - select the release appropriate to your installed branch. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Elastic Kibana instances and determine which versions (8.x or 9.x) are deployed and whether multi-role access control is enabled; document the count and scope of configurations accessible to low-privilege users. …
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Same weakness CWE-863 – Incorrect Authorization
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External POC / Exploit Code
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