CVE-2026-78595CWE-862broken-access-control

CVE-2026-78595

Medium · published September 3, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
19.2
In the wild
Unconfirmed
What it is

Missing Authorization in Kibana Leading to Information Disclosure / Missing Authorization (CWE-862) in the Kibana Fleet feature can lead to information disclosure via Privilege Abuse (CAPEC-122). An authenticated user holding read-level Fleet agent privileges in one Kibana space could enumerate agent metadata and access diagnostic content belonging to agents enrolled in other Kibana spaces.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00278 · 19.2th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-09-03T23:17Z
References (1)
https://discuss.elastic.co/t/kibana-9-4-6-9-5-3-security-update-esa-2026-153/390160 · [email protected]
EPSS history
Timeline
  • 05 SEP 03:44Z
    EPSS moved — → 0%
    epss
  • 03 SEP 18:35Z
    Missing Authorization in Kibana Fleet Plugin Leading to Cross-Space Agent Data Disclosure
    cvelistv5