CVE-2026-26938 | THREATINT

Description

Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336) exists in Workflows in Kibana which could allow an attacker to read arbitrary files from the Kibana server filesystem, and perform Server-Side Request Forgery (SSRF) via Code Injection (CAPEC-242). This requires an authenticated user who has the workflowsManagement:executeWorkflow privilege.

PUBLISHED Reserved 2026-02-16 | Published 2026-02-26 | Updated 2026-02-26 | Assigner elastic

HIGH: 8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Problem types

CWE-1336 Improper Neutralization of Special Elements Used in a Template Engine

Product status

Default status

unaffected

9.3.0 (semver)

affected

References

discuss.elastic.co/...3-1-security-update-esa-2026-17/385253

cve.org (CVE-2026-26938)

nvd.nist.gov (CVE-2026-26938)

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