Vulnerability · Published Nov 5, 2026 · Assigned by flexera
CVE-2026-110390FlexNet Beacon Missing Authentication Vulnerability
Medium 6.9
In plain English
A medium-severity missing authentication in FlexNet Beacon from Flexera. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).
Severity (CVSS 4.0)6.9Medium
Exploit odds (30 days)0.4%top 64.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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).
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Flexera | FlexNet Beacon | 0 – before 26.4.1 |
| Flexera | FlexNet Manager Suite | 2026 R1 – before 2026 R22025 R2 – before 2026 R12025 R1 – before 2025 R20 – before 2025 R1 |
Weakness: CWE-306, CWE-497 · 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