CVE-2026-78593

MEDIUM CVSS 3.1: 4.3 EPSS 0.17%
Updated Sep 08, 2026
Elastic
Parameter Value
CVSS 4.3 (MEDIUM)
Type CWE-94 (Code Injection)
Vendor Elastic
Public PoC No

An insufficiently validated configuration field in Kibana's Cribl integration allows an authenticated user holding Kibana Fleet management privileges to inject attacker-controlled expressions into a server-side script template, resulting in an Elasticsearch ingest pipeline being written beyond the caller's authorized Elasticsearch permissions.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products

elastic:kibana