Medium severity · published Aug 13, 2026
CVE-2026-72670
Exposure of Sensitive Information to an Unauthorized Actor in Kibana Leading to Disclosure of Fleet Proxy Credentials
6.5
CVSS
0.5%
EPSS
No
On KEV
Description
A lower privileged user who holds only the privilege to read agent policies can read the entire configuration of a configured Fleet proxy. This would normally require the Fleet privilege to read settings.The proxy configuration possibly contains proxy authentication credentials and private key material that they should not be authorized to view.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% 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-2026-72670
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-72670
Vendor Advisory
https://discuss.elastic.co/t/kibana-8-19-20-and-9-4-5-security-update-esa-2026-87/389524
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