Incorrect Authorization in Elastic Defend Leading to Information Disclosure

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Summary

CVECVE-2026-56152
StatePUBLISHED
Assignerelastic
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-01 17:16:37 UTC
Updated2026-07-06 18:05:39 UTC
DescriptionIncorrect Authorization (CWE-863) in Elastic Defend can lead to unauthorized information disclosure via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). Under certain conditions, a low-privileged authenticated user can access response action data that they are not authorized to view.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from [email protected]

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

EPSS: 0.001810000 probability, percentile 0.078410000 (date 2026-07-04)

Problem Types: CWE-863 | CWE-863 CWE-863 Incorrect Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.3MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
3.1CNACVSS5.3MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Elastic Endpoint Security All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Elastic Elastic Defend affected 9.3.0 9.3.1 semver Not specified
CNA Elastic Elastic Defend affected 8.6.0 8.19.12 semver Not specified
CNA Elastic Elastic Defend affected 9.0.0 9.2.6 semver Not specified

References

ReferenceSourceLinkTags
discuss.elastic.co/t/elastic-defend-8-19-13-9-2-7-9-3-2-security-update-esa-2026-46 [email protected] discuss.elastic.co Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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