Quick answers
- Is CVE-2026-86118 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-86118 being exploited in the wild.
- How severe is CVE-2026-86118?
- Medium severity, with a CVSS score of 4.3, published 5 September 2026.
- Which products and versions are affected?
- Sentriz Gonic before 0.22.0.
- Is there a fix for CVE-2026-86118?
- 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-2026-86118 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-86118?
- Check whether you run Sentriz Gonic 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
The startScan endpoint in gonic fails to validate administrator privileges, allowing any authenticated user to initiate CPU and I/O-intensive filesystem operations (media library rescans). The vulnerability exists in the Subsonic API controller and is rooted in missing authorization checks on an administrative function. The attack requires only network access and valid authentication credentials (any user account). An attacker can perform a denial-of-service attack by repeatedly calling startScan on multi-user instances, exhausting system resources. The vulnerability is fixed in version 0.22.0 and later.
Affected products
- sentriz gonic before 0.22.0
Timeline
- 2026-09-05: disclosed