CVE-2026-78593
Medium
Description
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.
SeverityMedium
CVSS4.3
Exploit probability—
Product
Kibana
PublishedSep 3, 2026
First seenSep 3, 2026
Weakness typeCWE-94Code injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Elastic Kibana | 8.0.0 ≤ v ≤ 8.19.20, 9.0.0 ≤ v ≤ 9.4.5, 9.5.0 ≤ v ≤ 9.5.2 | — |
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