Lyrion Music Server 9.2.0 Path Traversal File Read

published 2026-06-05 5 mo ago modified 2026-10-26 14 d ago also EUVD-2026-34833

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits: 0; none known

Lyrion Music Server 9.2.0 contains a path traversal vulnerability that allows unauthenticated attackers to read arbitrary files by exploiting directory traversal in the web server context. Attackers can manipulate file path parameters to access sensitive files outside the intended directory structure.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: partial
Assessed: 5 mo ago (2026-06-08)

Exploit prediction

0.78% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

zeroscience.mk https://www.zeroscience.mk/en/vulnerabilities/ZSL-2026-5992.php referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	8.7	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA	4.0	8.7	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

LMS Community Lyrion Music Server

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

zeroscience.mk /en/vulnerabilities/ZSL-2026-5992.php
third-party-advisory, exploit
vulncheck.com /advisories/lyrion-music-server-path-traversal-file-read
third-party-advisory

Sources

CVE List CVE-2026-50234
NVD CVE-2026-50234

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary