CVE-2026-78593 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

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

History

Thu, 03 Sep 2026 18:45:00 +0000

Type	Values Removed	Values Added
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.
Title		Improper Control of Generation of Code in Kibana Leading to Privilege Escalation
Weaknesses		CWE-94
References		https://discuss.elastic.co/t/kibana-8-19-21-9-4-6-9-5-3-security-update-esa-2026-151/390159
Metrics		cvssV3_1 `{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: elastic

Published: 2026-09-03T18:35:37.544Z

Updated: 2026-09-03T18:49:59.206Z

Reserved: 2026-08-24T21:13:51.299Z

Link: CVE-2026-78593

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-09-03T19:17:28.687

Modified: 2026-09-03T19:17:28.687

Link: CVE-2026-78593

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-94

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