Is CVE-2026-110390 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-110390 being exploited in the wild.

How severe is CVE-2026-110390?

Informational severity, published 5 November 2026.

Which products and versions are affected?

Flexera Flexera One; Flexera FlexNet Manager Suite.

Is there a fix for CVE-2026-110390?

No fixed version is recorded yet. Disable anonymous web server access on FlexNet Beacon if not required for legitimate use cases. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-110390 attacked?

It is attacked over the network, in a hosted service.

Am I affected by CVE-2026-110390?

Check whether you run Flexera One or Flexera FlexNet Manager Suite. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-110390: Flexera FlexNet Beacon missing authentication

CVE-2026-110390 · Severity: info · Published 2026-11-05

FlexNet Beacon is a component used by Flexera One and FlexNet Manager Suite to collect and manage software asset data across enterprises. When anonymous web server access is enabled (the default configuration), unauthenticated remote attackers can access Beacon policy and targeting information without credentials, exposing sensitive asset management data. This information disclosure could help attackers understand the software landscape and target systems within an organization.

Technologies: Flexera FlexNet Manager Suite. Vendors: Flexera.

Quick answers

Is CVE-2026-110390 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-110390 being exploited in the wild.
How severe is CVE-2026-110390?: Informational severity, published 5 November 2026.
Which products and versions are affected?: Flexera Flexera One; Flexera FlexNet Manager Suite.
Is there a fix for CVE-2026-110390?: No fixed version is recorded yet. Disable anonymous web server access on FlexNet Beacon if not required for legitimate use cases. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-110390 attacked?: It is attacked over the network, in a hosted service.
Am I affected by CVE-2026-110390?: Check whether you run Flexera One or Flexera FlexNet Manager Suite. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

Disable anonymous web server access on FlexNet Beacon if not required for legitimate use cases.

Technical details

A missing authentication vulnerability in FlexNet Beacon allows unauthenticated remote access to policy and targeting information via the web interface when anonymous web access is enabled by default. The vulnerability has network attack vector and requires no special preconditions beyond network connectivity. An attacker gains access to sensitive asset management and policy data without authentication.

Affected products

Flexera Flexera One
Flexera FlexNet Manager Suite

Timeline

2026-11-05: disclosed

References

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