EUVD-2026-69560
GHSA-rh5h-wcfg-j7x3
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Network-accessible scheduling UI requires low-privilege auth; no interaction once scheduled; high C/I from cross-user data access; A:L is incidental; S:U as impact stays within Kibana.
Primary rating from Vendor (elastic).
CVSS VectorVendor: elastic
Lifecycle Timeline
3DescriptionCVE.org
Incorrect Authorization (CWE-863) in Kibana can lead to privilege escalation via Exploiting Incorrectly Configured Access Control Security Levels (CAPEC-180). A user holding workflow edit permissions could cause scheduled workflow executions to run with the privileges of a different, higher-privileged user, allowing access to and modification of data beyond their own authorization scope.
AnalysisAI
Privilege escalation in Kibana allows an authenticated user holding workflow edit permissions to cause scheduled workflow executions to run under the privileges of a higher-privileged user, granting unauthorized read and write access to data outside their authorization scope. The flaw (CWE-863, Incorrect Authorization) stems from Kibana's workflow scheduling subsystem failing to enforce authorization boundaries when executing scheduled jobs - a pattern classified under CAPEC-180. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid Kibana account with at least workflow edit permissions (confirmed by CVSS PR:L). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 8.3 score (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L) accurately reflects the core risk: the attack is network-accessible, requires no special deployment configuration, and demands only low-level authenticated access (workflow edit permission). … 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 to Kibana 9.4.3 per Elastic Security Advisory ESA-2026-61 (https://discuss.elastic.co/t/kibana-9-4-3-security-update-esa-2026-61/390086). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, review Kibana user audit logs to identify all accounts with workflow edit permissions and audit recent workflow execution patterns for suspicious privilege elevation. …
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Same weakness CWE-863 – Incorrect Authorization
View allSame technique Privilege Escalation
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External POC / Exploit Code
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