Quick answers
- Is CVE-2026-4026 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-4026 being exploited in the wild.
- How severe is CVE-2026-4026?
- Informational severity, with a CVSS score of 8.7, published 19 June 2026.
- Which products and versions are affected?
- Flexera FlexNet Manager Suite 2025 R1.
- Is there a fix for CVE-2026-4026?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. 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-2026-4026 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-4026?
- Check whether you run Flexera FlexNet Manager Suite at an affected version. 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.
Technical details
An improper access control vulnerability (CWE-284) exists in FlexNet Manager Suite 2025 R1. The flaw resides in the account settings component, where the system fails to properly enforce permission boundaries for users with read-only access. A remote, authenticated attacker with low-level privileges can exploit this to escalate their permissions to the Administrator level. This allows for full control over the suite's management functions. The vulnerability is tracked as CVE-2026-4026 and has been assigned a CVSS 4.0 score of 8.7 by the vendor.
Affected products
- Flexera FlexNet Manager Suite 2025 R1
Timeline
- 2026-06-19: disclosed: CVE-2026-4026 published by Flexera