runZero Platform user creation leak

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Summary

CVECVE-2026-5378
StatePUBLISHED
AssignerrunZero
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-07 15:17:47 UTC
Updated2026-04-21 15:31:45 UTC
DescriptionAn issue that allowed administrators to create and update users outside of their authorized organization scope has been resolved. This is an instance of CWE-863: Incorrect Authorization, and has an estimated CVSS score of CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N (5.8 Medium). This issue was fixed in version 4.0.260203.0 of the runZero Platform.

Risk And Classification

Primary CVSS: v3.1 6.8 MEDIUM from [email protected]

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

EPSS: 0.000410000 probability, percentile 0.126300000 (date 2026-04-22)

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

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary6.8MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N
3.144488dab-36db-4358-99f9-bc116477f914Secondary5.8MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
3.1CNACVSS5.8MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N

CVSS v3.1 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Runzero Runzero Platform All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA RunZero Platform affected 4.0.260203.0 semver Not specified

References

ReferenceSourceLinkTags
help.runzero.com/docs/release-notes 44488dab-36db-4358-99f9-bc116477f914 help.runzero.com Release Notes
www.runzero.com/advisories/runzero-platform-user-creation-leak-cve-2026-5378 44488dab-36db-4358-99f9-bc116477f914 www.runzero.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: runZero (en)

Additional Advisory Data

Solutions

CNA: This issue was fixed in version 4.0.260203.0 of the runZero Platform

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