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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-72677
StatePUBLISHED
Assignerelastic
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-13 20:17:28 UTC
Updated2026-08-13 20:17:28 UTC
DescriptionRelative 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.

Risk And Classification

Primary CVSS: v3.1 7.3 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H

EPSS: 0.002720000 probability, percentile 0.196400000 (date 2026-08-16)

Problem Types: CWE-23 | CWE-23 CWE-23 Relative Path Traversal

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.3HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H
3.1CNACVSS7.3HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Elastic Kibana affected 8.0.0 8.19.16 semver Not specified
CNA Elastic Kibana affected 9.0.0 9.3.5 semver Not specified
CNA Elastic Kibana affected 9.4.0 9.4.2 semver Not specified

References

ReferenceSourceLinkTags
discuss.elastic.co/t/kibana-8-19-17-9-3-6-9-4-3-security-update-esa-2026-94/389512 [email protected] discuss.elastic.co
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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