Path traversal in AzuraCast - CVE-2026-42605
Published: April 23, 2026
Vulnerability identifier: #VU127154
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-42605
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary code.
The vulnerability exists due to path traversal in the Flow.js media upload endpoint currentDirectory parameter when handling media upload requests. A remote user can upload a specially crafted file with traversal sequences in the currentDirectory parameter to execute arbitrary code.
Only instances using the local filesystem storage backend are vulnerable, and media management permissions are required.
Affected software
AzuraCast
How to mitigate CVE-2026-42605
Install security update from vendor's website.
AzuraCast - update to 0.23.5