Medium severity · published Aug 13, 2026
CVE-2026-72650
Authorization Bypass Through User-Controlled Key in Kibana Leading to Information Disclosure
4.3
CVSS
0.3%
EPSS
No
On KEV
Description
Authorization Bypass Through User-Controlled Key (CWE-639) in Kibana can lead to information disclosure via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). An authenticated user who is authorized to read alerting rules in a single Kibana space could retrieve alerting rule execution telemetry that belongs to spaces the user is not authorized to access. The disclosed telemetry includes rule identifiers, rule names, space identifiers, execution outcomes, timestamps, and execution counters.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KI
Kibana · Elastic
8.0.0 through 8.19.19; 9.0.0 through 9.4.4 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-72650
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-72650
Vendor Advisory
https://discuss.elastic.co/t/kibana-8-19-20-and-9-4-5-security-update-esa-2026-105/389521
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