Quick answers
- Is CVE-2026-86480 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-86480 being exploited in the wild.
- How severe is CVE-2026-86480?
- Critical severity, with a CVSS score of 9.8, published 7 September 2026.
- Which products and versions are affected?
- Jetbrains Hub before 2026.2.52442.
- Is there a fix for CVE-2026-86480?
- 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-2026-86480 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-86480?
- Check whether you run Jetbrains Hub 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
JetBrains Hub contains an authentication bypass vulnerability in its trusted service registration mechanism. An unauthenticated attacker can register a new trusted service without proper authentication checks, leading to superuser privilege escalation. The vulnerability requires no authentication and is remotely exploitable via the network. A successful exploit allows an attacker to gain full administrative control of the Hub instance, including access to all user accounts, licenses, and integrated systems. The vulnerability is fixed in version 2026.2.52442 and later.
Affected products
- JetBrains Hub before 2026.2.52442
Timeline
- 2026-09-07: disclosed