CVE-2026-34911

Summary

CVECVE-2026-34911
StatePUBLISHED
Assignerhackerone
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-22 02:16:34 UTC
Updated2026-05-22 02:16:34 UTC
DescriptionA malicious actor with access to the network and low privileges could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the underlying system that could be manipulated to obtain sensitive information.

Risk And Classification

Primary CVSS: v3.1 7.7 HIGH from [email protected]

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

EPSS: 0.000110000 probability, percentile 0.014870000 (date 2026-05-28)

Problem Types: CWE-22 | CWE-22 CWE-22 Path Traversal


VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.7HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
3.1CNADECLARED7.7HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Ubiquiti Inc UniFi OS Server affected 5.0.8 semver Not specified
CNA Ubiquiti Inc UDM affected 5.1.12 semver Not specified
CNA Ubiquiti Inc UDM-Pro affected 5.1.12 semver Not specified
CNA Ubiquiti Inc UDM-SE affected 5.1.12 semver Not specified
CNA Ubiquiti Inc UDM-Pro-Max affected 5.1.12 semver Not specified
CNA Ubiquiti Inc UDM-Beast affected 5.1.11 semver Not specified
CNA Ubiquiti Inc EFG affected 5.1.12 semver Not specified
CNA Ubiquiti Inc UDW affected 5.1.12 semver Not specified
CNA Ubiquiti Inc UDR affected 5.1.12 semver Not specified
CNA Ubiquiti Inc UDR7 affected 5.1.12 semver Not specified
CNA Ubiquiti Inc UDR-5G affected 5.1.12 semver Not specified
CNA Ubiquiti Inc Express 7 affected 5.1.12 semver Not specified
CNA Ubiquiti Inc UNVR affected 5.1.12 semver Not specified
CNA Ubiquiti Inc UNVR-Pro affected 5.1.12 semver Not specified
CNA Ubiquiti Inc UNVR-Instant affected 5.1.12 semver Not specified
CNA Ubiquiti Inc UNVR-G2 affected 5.1.12 semver Not specified
CNA Ubiquiti Inc UNVR-G2-Pro affected 5.1.12 semver Not specified
CNA Ubiquiti Inc ENVR affected 5.1.12 semver Not specified
CNA Ubiquiti Inc ENVR-Core affected 5.1.12 semver Not specified
CNA Ubiquiti Inc UNAS-2 affected 5.1.10 semver Not specified
CNA Ubiquiti Inc UNAS-4 affected 5.1.10 semver Not specified
CNA Ubiquiti Inc UNAS-Pro affected 5.1.10 semver Not specified
CNA Ubiquiti Inc UNAS-Pro-4 affected 5.1.10 semver Not specified
CNA Ubiquiti Inc UNAS-Pro-8 affected 5.1.10 semver Not specified
CNA Ubiquiti Inc UCKP affected 5.1.12 semver Not specified
CNA Ubiquiti Inc UCK affected 5.1.12 semver Not specified
CNA Ubiquiti Inc UCK-Enterprise affected 5.1.12 semver Not specified
CNA Ubiquiti Inc UCG-Ultra affected 5.1.12 semver Not specified
CNA Ubiquiti Inc UCG-Max affected 5.1.12 semver Not specified
CNA Ubiquiti Inc UCG-Fiber affected 5.1.12 semver Not specified
CNA Ubiquiti Inc UCG-Industrial affected 5.1.12 semver Not specified

References

ReferenceSourceLinkTags
community.ui.com/releases/Security-Advisory-Bulletin-064-064/84811c09-4cf4-42a... [email protected] community.ui.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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