CVE-2026-116730
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AI Threat Summary
CVE-2026-116730 is a moderate vulnerability with a CVSS score of 5.5 affecting the target software. Threat hunters should monitor for exploit attempts and apply vendor patches immediately.
Description
Furnace through 0.6.8.3 contains an out-of-bounds heap read vulnerability in DivEngine::loadFTM() in src/engine/fileOps/ftm.cpp, triggered by an unbounded DPCM note count during FamiTracker module import. Attackers can craft a .ftm, .dnm or 0CC/E-FamiTracker module with a 2A03 instrument note count above 120 to read past the noteMap array and crash Furnace when opened.
Attack Chain
Attacker scans for vulnerable versions using version banners or PoC scanners
Attacker triggers CVE-2026-116730 vulnerability with a crafted request or payload
Vulnerability exploited to perform unauthorized actions on the target system
Depending on vulnerability type, attacker achieves data access, service disruption, or code execution
MITRE ATT&CK Techniques
Indicators of Compromise
| Type | Value | Description | |
|---|---|---|---|
| user_agent | Mozilla/5.0 (compatible; exploit/1.0) |
Generic exploit scanner user agent pattern | |
| url | /api/vuln-endpoint?payload=<malicious> |
Exploit attempt against application endpoint — monitor access logs for anomalous params |
Remediation
Quick Facts
| CVE ID | CVE-2026-116730 |
| CVSS Score | 5.5 |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| Published | 2026-10-26 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |
References
- https://github.com/tildearrow/furnace
- https://github.com/tildearrow/furnace/blob/v0.6.8.3/src/engi…
- https://github.com/tildearrow/furnace/commit/c120c72391e3229…
- https://github.com/tildearrow/furnace/issues/2966
- https://hackmd.io/@haindpwn/furnace-ftm-import-notemap-and-g…
- https://www.vulncheck.com/advisories/furnace-through-0.6.8.3…