CVE-2026-4027 FlexNet Manager Suite Attachment File Disclosure

High 7.1 Published Updated

Attackers can access attachment files without authorization due to insufficient access controls in FlexNet Manager Suite.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-4027?

CVE-2026-4027 is a high-severity missing authorization vulnerability in Flexera FlexNet Manager Suite, published on 19 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A security vulnerability has been identified in FlexNet Manager Suite 2025 R1 and R2 that could allow unauthorized access to attachment files due to insufficient access control.

Weakness: CWE-284

Which versions are affected by CVE-2026-4027?

How do I fix CVE-2026-4027?

No fix has been published for CVE-2026-4027 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-4027 being exploited?

There is no known exploitation of CVE-2026-4027 in the wild and no public exploit code.

Sources

Also known as GHSA-8vqp-qfpf-cm68.

Is CVE-2026-4027 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free