Medium severity · published Jul 21, 2026
CVE-2026-49092
Unintended Proxy or Intermediary ('Confused Deputy') in Kibana Leading to Unauthorized Information Exposure
4.3
CVSS
0.3%
EPSS
No
On KEV
Description
Unintended Proxy or Intermediary ('Confused Deputy') (CWE-441) in Kibana can lead to unauthorized information exposure via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). Under certain conditions, a lower-privileged user can cause data from sources they are not authorized to access to be processed using another user's privileges.
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 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KI
Kibana · Elastic
9.4.0 through 9.4.2 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-49092
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-49092
Vendor Advisory
https://discuss.elastic.co/t/kibana-9-4-3-security-update-esa-2026-54/388553
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