FlexNet Beacon Missing Authentication Vulnerability

Summary

CVECVE-2026-110390
StatePUBLISHED
Assignerflexera
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-05 23:16:50 UTC
Updated2026-11-10 14:17:11 UTC
DescriptionMissing authentication in the FlexNet Beacon component of Flexera One and FlexNet Manager Suite allows unauthenticated remote attackers to obtain Beacon policy and targeting information when anonymous web server access is enabled (the default).

Risk And Classification

Primary CVSS: v4.0 6.9 MEDIUM from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.004080000 probability, percentile 0.352680000 (date 2026-11-06)

Problem Types: CWE-306 | CWE-497 | CWE-306 CWE-306 Missing authentication for critical function | CWE-497 CWE-497 Exposure of sensitive system information to an unauthorized control sphere


VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary6.9MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS6.9MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Flexera FlexNet Beacon affected 26.4.1 custom Windows
CNA Flexera FlexNet Manager Suite affected 2026 R1 2026 R2 custom Windows
CNA Flexera FlexNet Manager Suite affected 2025 R2 2026 R1 custom Windows
CNA Flexera FlexNet Manager Suite affected 2025 R1 2025 R2 custom Windows
CNA Flexera FlexNet Manager Suite affected 2025 R1 custom Windows

References

ReferenceSourceLinkTags
community.flexera.com/s/article/Flexera-Beacon-security-hotfix-IOK-2107311 [email protected] community.flexera.com
community.flexera.com/s/article/Flexera-Beacon-Security-Advisory-CVE-2026-110390 [email protected] community.flexera.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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