Authorization Bypass Vulnerability in Kibana by Elastic
CVE-2026-56147

7.1HIGH

Key Information:

Vendor

Elastic

Status
Vendor
CVE Published:
21 July 2026

What is CVE-2026-56147?

An authorization bypass vulnerability in Kibana allows low-privileged users to improperly access, modify, or delete case attachments. This occurs due to an inconsistency in the file access authorization logic, enabling an attacker to retrieve sensitive information from areas they are not permitted to access without the necessary privileges. The flaw can lead to unauthorized information disclosure and compromise the integrity of case attachments associated with critical security features.

Affected Version(s)

Kibana 9.0.0 <= 9.3.6

Kibana 9.4.0 <= 9.4.2

Kibana 8.7.0 <= 8.19.17

References

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
High
Integrity:
Low
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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