CVE-2026-78593

MediumCVSS 4.3/10Last modified Sep 8, 2026

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.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-94

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
Elastic	Kibana	>= 8.0.0, <= 8.19.20; >= 9.0.0, <= 9.4.5; >= 9.5.0, <= 9.5.2

References

https://discuss.elastic.co/t/kibana-8-19-21-9-4-6-9-5-3-security-update-esa-2026-151/390159

Timeline

Published: Sep 3, 2026
Last modified: Sep 8, 2026
NVD status: Awaiting Analysis

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