Quick answers
- Is CVE-2026-39721 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-39721 being exploited in the wild.
- How severe is CVE-2026-39721?
- Medium severity, with a CVSS score of 5.4, published 5 October 2026.
- Which products and versions are affected?
- Brainstorm Force Starter Templates through 4.7.7.
- Is there a fix for CVE-2026-39721?
- Yes: fixed in 4.7.8. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-39721 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-39721?
- Check whether you run Brainstorm Force Starter Templates 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.
How to fix
- Fixed in: 4.7.8
Technical details
A broken access control vulnerability in Starter Templates allows authenticated users with contributor privileges to bypass authorization checks and access restricted pages or perform unauthorized actions. The vulnerability affects versions through 4.7.7 and requires contributor-level access to exploit. It has been patched in version 4.7.8.
Affected products
- Brainstorm Force Starter Templates through 4.7.7
Timeline
- 2026-10-05: disclosed
- 2026-10-05: patched