Missing 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).

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00408.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Flexera FlexNet Beacon unaffected
Version Status Constraints
0 affected < 26.4.1
Flexera FlexNet Manager Suite unaffected
Version Status Constraints
2026 R1 affected < 2026 R2
2025 R2 affected < 2026 R1
2025 R1 affected < 2025 R2
0 affected < 2025 R1

No data.

No data.

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No data.

Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://community.flexera.com/s/article/Flexera-Beacon-Security-Advisory-CVE-2026-110390 cve-icon cve-icon
https://community.flexera.com/s/article/Flexera-Beacon-security-hotfix-IOK-2107311 cve-icon cve-icon
History

Thu, 05 Nov 2026 22:45:00 +0000

Type Values Removed Values Added
Description Missing 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).
Title FlexNet Beacon Missing Authentication Vulnerability
Weaknesses CWE-306
CWE-497
References
Metrics cvssV4_0

{'score': 6.9, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: flexera

Published:

Updated: 2026-11-05T22:32:44.772Z

Reserved: 2026-10-14T01:08:02.713Z

Link: CVE-2026-110390

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-05T23:16:50.370

Modified: 2026-11-05T23:16:50.370

Link: CVE-2026-110390

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-05T23:30:16Z

Weaknesses