CVE-2026-78593

Summary

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.

Affected Software

VendorProductVersion RangeStatus
ElasticKibana8.0.0 <= 8.19.20affected
ElasticKibana9.0.0 <= 9.4.5affected
ElasticKibana9.5.0 <= 9.5.2affected

Weaknesses

  • CWE-94: CWE-94 Improper Control of Generation of Code ('Code Injection')

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References