CVE-2026-78584Observable Response Discrepancy in Kibana Leading to Cross-Space Information Disclosure
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No exploitation reported and no EPSS estimate yet.
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Observable Response Discrepancy (CWE-204) in the Kibana Osquery feature can lead to information disclosure via Query System for Information (CAPEC-54). An authenticated user holding Osquery live-query privileges could determine whether a scheduled query identifier exists in a Kibana space they are not authorized to access.
- CVSS
- 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- Weakness (CWE)
- CWE-204
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- elastic
- NVD analysis
- Analyzed
- Record last updated
- Sep 2, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Elastic Kibana elastic:kibana (from the name) | from 9.4.0 through 9.4.3 | CNA record |
elastic kibana elastic:kibana | from 9.4.0 before 9.4.4 | NVD |
References
- https://discuss.elastic.co/t/kibana-9-4-4-security-update-esa-2026-161/390115vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.