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6.5

Kibana lets limited user view Fleet credentials

CVE-2026-102412 · published 29 days ago
Summary

In Kibana, a user who only has basic Fleet management rights can still see secret keys used by the Fleet Server. Those keys could let an attacker pretend to be trusted components in the system. Restrict access to Fleet settings to administrators and apply the latest Kibana updates to fix the issue.

What to do
  • Update elk to version 9.5.5.
  • Update kibana to version 9.5.5.
Affected software
Ecosystem VendorProductAffected versions
– elastic kibana <= 9.3.8
Bitnami – elk >= 9.5.0, < 9.5.5
Fix: upgrade to 9.5.5
Bitnami – kibana >= 9.5.0, < 9.5.5
Fix: upgrade to 9.5.5
Original advisory text
Incorrect Authorization in Kibana Leading to Sensitive Information Disclosure
Incorrect Authorization (CWE-863) in Kibana can lead to sensitive information disclosure via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). An authenticated Kibana user with limited Fleet management privileges could access sensitive credential material that should be restricted to users with Fleet settings administrative access. Successful exploitation could allow an attacker to obtain private cryptographic key material configured for Fleet Server host connections, potentially enabling impersonation of trusted Fleet infrastructure components in deployments where those keys are actively used.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
6.5 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-863Incorrect Authorization
Timeline
Published6 Oct 2026
Updated31 Oct 2026
First seen6 Oct 2026
Sources
CVE-2026-102412 · NVD
CVE-2026-102412 · MITRE
CVE-2026-102412 · OSV
BIT-kibana-2026-102412 · OSV
BIT-elk-2026-102412 · OSV
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