CVSS 4.0
6.9 mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:NCVE-2026-110390
Medium (6.9) in flexera. EPSS 0.4% estimated probability of exploitation activity in the next 30 days.
On this page
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).
Severity
- EPSS
- 0.4% estimated probability of exploitation activity in the next 30 days; 35th percentile. Scored 2026-11-10. A forecast for this CVE across the internet, not for your own systems.
- CISA's assessment (SSVC)
- Exploitation: none · Automatable: yes · Technical impact: partial, assessed 2026-11-10. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
- CWEs
- CWE-306 Missing Authentication for Critical Functionality
CWE-497 Exposure of Sensitive System Information to an Unauthorized Control Sphere - Published
- Modified
- Assigned by
- flexera (CNA)
- NVD analysis
- Awaiting analysis
- Record from
- the NVD, synced
Ask an AI about this CVE
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Explain CVE-2026-110390 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-110390?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-110390?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-110390 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.
Affected
- flexera:flexnet beacon
- flexera:flexnet manager suite
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| Flexera FlexNet Beacon | before 26.4.1 |
| Flexera FlexNet Manager Suite | from 2026 R1 before 2026 R2 |
| Flexera FlexNet Manager Suite | from 2025 R2 before 2026 R1 |
| Flexera FlexNet Manager Suite | from 2025 R1 before 2025 R2 |
| Flexera FlexNet Manager Suite | before 2025 R1 |
Fixed in
| Product | Fixed in |
|---|---|
| Flexera FlexNet Manager Suite | 2026 R1 IOK-2107311 |
| Flexera FlexNet Manager Suite | 2025 R2 IOK-2107311 |
| Flexera FlexNet Manager Suite | 2025 R1 IOK-2107311 |
Attack patterns (CAPEC)
- CAPEC-170 Web Application Fingerprinting Likelihood: High · Severity: Low
- CAPEC-694 System Location Discovery Likelihood: High · Severity: Very Low
- CAPEC-12 Choosing Message Identifier Likelihood: High · Severity: High
- CAPEC-36 Using Unpublished Interfaces or Functionality Likelihood: Medium · Severity: High
- CAPEC-62 Cross Site Request Forgery Likelihood: High · Severity: Very High
- CAPEC-166 Force the System to Reset Values Severity: Medium
- CAPEC-216 Communication Channel Manipulation
The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.