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TI-2026-58917 Aliases CVE-2026-86118GHSA-58w8-8f5r-987p

gonic before 0.22.0 Missing Administrator Check on the Subsonic startScan Endpoint

Priority MEDIUM 57CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · None · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

gonic versions before 0.22.0 fail to validate administrator privileges in the startScan endpoint, allowing any authenticated user to trigger media library rescans. Attackers can repeatedly call the startScan endpoint to force CPU and I/O-intensive filesystem operations, causing denial of service on multi-user instances.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00473 41st percentileScored 2026-11-07
Fix Fixed gonic (sentriz): 0.22.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
sentrizgonicbefore 0.22.00.22.0Patch availableCNA
  • gonic Vendorsentriz Affected before 0.22.0 Fixed in 0.22.0 Patch available CNA

Remediation

  • Fix · CNA gonic (sentriz) Fixed in 0.22.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-86118
  2. 2026-10-03 Alias added: GHSA-58w8-8f5r-987p

References

Advisory 1

Other 4

  • TI-2026-36518 Path traversal in sentriz gonic CVSS 3.1HIGH 8.1
  • TI-2026-36517 Path traversal in sentriz gonic CVSS 3.1HIGH 7.1
  • TI-2026-36516 Subsonic API: any authenticated user can delete or read any other user's playlist (IDOR) CVSS 3.1HIGH 7.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences