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CVE-2026-50233— Lyrion Music Server 9.2.0 Arbitrary Directory Listing

Quick assessment

Affected
LMS Community Lyrion Music Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Lyrion Music Server是Lyrion组织的一个音频服务器软件。 Lyrion Music Server 9.2.0版本存在安全漏洞，该漏洞源于readdirectory查询中存在任意目录列表漏洞，可能导致枚举主机文件系统上的任意位置。

CVSS 5.3 · Medium EPSS 0.50% · P40

Affected Version Matrix 1

VendorProduct Version RangeStatus
LMS Community Lyrion Music Server 9.2.0 affected
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I. Basic Information for CVE-2026-50233

Vulnerability Information
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Vulnerability Title
Lyrion Music Server 9.2.0 Arbitrary Directory Listing
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过目录枚举导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Lyrion Music Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lyrion Music Server是Lyrion组织的一个音频服务器软件。 Lyrion Music Server 9.2.0版本存在安全漏洞，该漏洞源于readdirectory查询中存在任意目录列表漏洞，可能导致枚举主机文件系统上的任意位置。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
LMS Community Lyrion Music Server 9.2.0 -

II. Public POCs for CVE-2026-50233

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III. Intelligence Information for CVE-2026-50233

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Vendor Advisories for CVE-2026-50233 (2)

Same Patch Batch · LMS Community · 2026-06-05 · 6 CVEs total

CVE-2026-50234 7.5 HIGH Lyrion Music Server 9.2.0 Path Traversal File Read
CVE-2026-50231 7.2 HIGH Lyrion Music Server 9.2.0 Unauthenticated Stored XSS via server.log
CVE-2026-50232 7.2 HIGH Lyrion Music Server 9.2.0 Stored XSS via Metadata Tags
CVE-2026-50235 6.1 MEDIUM Lyrion Music Server 9.2.0 Reflected XSS via search Parameters
CVE-2026-50230 6.1 MEDIUM Lyrion Music Server 9.2.0 Reflected XSS via server.log

IV. Related Vulnerabilities

Same product: Lyrion Music Server
Same vendor: LMS Community
Same weakness: CWE-548

V. Comments for CVE-2026-50233

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