๐Ÿ” CVE Alert

CVE-2026-78593

MEDIUM 4.3

Improper Control of Generation of Code in Kibana Leading to Privilege Escalation

CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-94
Vendor elastic
Product kibana
Published Sep 3, 2026
Last Updated Sep 3, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Affected Versions

Elastic / Kibana
8.0.0 โ‰ค 8.19.20 9.0.0 โ‰ค 9.4.5 9.5.0 โ‰ค 9.5.2

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
discuss.elastic.co: https://discuss.elastic.co/t/kibana-8-19-21-9-4-6-9-5-3-security-update-esa-2026-151/390159