CVE-2026-50233 Lyrion Music Server 9.2.0 Arbitrary Directory Listing
Unauthenticated attackers can enumerate arbitrary directories on the host filesystem via the readdirectory query in Lyrion Music Server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-50233?
CVE-2026-50233 is a medium-severity path traversal vulnerability in LMS Community Lyrion Music Server, published on 5 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Lyrion Music Server 9.2.0 contains an arbitrary directory listing vulnerability in its readdirectory query, exposed through both the CLI service (TCP port 9090) and the HTTP JSON-RPC endpoint (/jsonrpc.js). The query accepts a folder parameter and lists its contents with no restriction to the configured media directories and no authentication in the default configuration, allowing a remote, unauthenticated attacker to enumerate arbitrary locations on the host filesystem.
Weakness: CWE-548
Which versions are affected by CVE-2026-50233?
How do I fix CVE-2026-50233?
No fix has been published for CVE-2026-50233 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-50233 being exploited?
There is no known exploitation of CVE-2026-50233 in the wild and no public exploit code.
Sources
Also known as GHSA-36hm-c9f8-f8xc.