CVE-2026-72677

Relative Path Traversal in Kibana Fleet Leading to Unauthorized Deletion of Users and Other Resources

State: Published
Severity: 7.3 High
Published: Aug 13, 2026
Updated: Aug 13, 2026
Reserved: Aug 10, 2026

Description

Relative Path Traversal (CWE-23) in Kibana can lead to the unauthorized deletion of Kibana resources via Relative Path Traversal (CAPEC-139). Kibana Fleet accepted a user-supplied identifier for a Fleet Server host configuration without rejecting relative traversal sequences. The identifier is stored as provided and is later incorporated into the request that Kibana issues when that configuration is removed.

Scores

CVSS	Score	Vector	Source
3.1	7.3 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H	elastic

Weaknesses

CWE-23 Relative Path Traversal

Affected Products

Product	Versions
KibanaElastic	8.0.0 through 8.19.16Affected 9.0.0 through 9.3.5Affected 9.4.0 through 9.4.2Affected

References

https://discuss.elastic.co/t/kibana-8-19-17-9-3-6-9-4-3-security-update-esa-2026-94/389512

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