Vulnerability Details CVE-2026-42605
AzuraCast is a self-hosted, all-in-one web radio management suite. Prior to version 0.23.6, the currentDirectory request parameter in the Flow.js media upload endpoint (POST /api/station/{station_id}/files/upload) is not sanitized for path traversal sequences. When combined with a local filesystem storage backend (the default), an authenticated user with media management permissions can write arbitrary files outside the station's media storage directory, achieving remote code execution by writing a PHP webshell to the web root. This issue has been patched in version 0.23.6.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 63.1%
CVSS Severity
CVSS v3 Score 8.8
References
- https://github.com/AzuraCast/AzuraCast/commit/18c793b4427eb49e67a2fea99a89f1c9d9dd808d
- https://github.com/AzuraCast/AzuraCast/releases/tag/0.23.6
- https://github.com/AzuraCast/AzuraCast/security/advisories/GHSA-vp2f-cqqp-478j
- https://github.com/AzuraCast/AzuraCast/security/advisories/GHSA-vp2f-cqqp-478j
Products affected by CVE-2026-42605
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cpe:2.3:a:azuracast:azuracast:0.10.0
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cpe:2.3:a:azuracast:azuracast:0.10.1
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cpe:2.3:a:azuracast:azuracast:0.10.2
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cpe:2.3:a:azuracast:azuracast:0.10.3
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cpe:2.3:a:azuracast:azuracast:0.10.4
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cpe:2.3:a:azuracast:azuracast:0.11
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cpe:2.3:a:azuracast:azuracast:0.11.1
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cpe:2.3:a:azuracast:azuracast:0.11.2
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cpe:2.3:a:azuracast:azuracast:0.12
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cpe:2.3:a:azuracast:azuracast:0.12.1
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cpe:2.3:a:azuracast:azuracast:0.12.2
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cpe:2.3:a:azuracast:azuracast:0.12.3
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cpe:2.3:a:azuracast:azuracast:0.12.4
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cpe:2.3:a:azuracast:azuracast:0.13.0
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cpe:2.3:a:azuracast:azuracast:0.14.0
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cpe:2.3:a:azuracast:azuracast:0.14.1
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cpe:2.3:a:azuracast:azuracast:0.15.0
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cpe:2.3:a:azuracast:azuracast:0.15.1
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cpe:2.3:a:azuracast:azuracast:0.15.2
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cpe:2.3:a:azuracast:azuracast:0.16.0
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cpe:2.3:a:azuracast:azuracast:0.16.1
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cpe:2.3:a:azuracast:azuracast:0.17.0
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cpe:2.3:a:azuracast:azuracast:0.17.1
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cpe:2.3:a:azuracast:azuracast:0.17.2
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cpe:2.3:a:azuracast:azuracast:0.17.3
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cpe:2.3:a:azuracast:azuracast:0.17.4
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cpe:2.3:a:azuracast:azuracast:0.17.5
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cpe:2.3:a:azuracast:azuracast:0.17.6
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cpe:2.3:a:azuracast:azuracast:0.17.7
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cpe:2.3:a:azuracast:azuracast:0.18.0
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cpe:2.3:a:azuracast:azuracast:0.18.1
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cpe:2.3:a:azuracast:azuracast:0.18.2
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cpe:2.3:a:azuracast:azuracast:0.18.3
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cpe:2.3:a:azuracast:azuracast:0.18.5
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cpe:2.3:a:azuracast:azuracast:0.19.0
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cpe:2.3:a:azuracast:azuracast:0.19.1
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cpe:2.3:a:azuracast:azuracast:0.19.2
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cpe:2.3:a:azuracast:azuracast:0.19.3
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cpe:2.3:a:azuracast:azuracast:0.19.4
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cpe:2.3:a:azuracast:azuracast:0.19.5
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cpe:2.3:a:azuracast:azuracast:0.19.6
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cpe:2.3:a:azuracast:azuracast:0.19.7
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cpe:2.3:a:azuracast:azuracast:0.20.0
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cpe:2.3:a:azuracast:azuracast:0.20.1
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cpe:2.3:a:azuracast:azuracast:0.20.2
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cpe:2.3:a:azuracast:azuracast:0.20.3
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cpe:2.3:a:azuracast:azuracast:0.20.4
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cpe:2.3:a:azuracast:azuracast:0.21.0
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cpe:2.3:a:azuracast:azuracast:0.22.0
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cpe:2.3:a:azuracast:azuracast:0.22.1
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cpe:2.3:a:azuracast:azuracast:0.23.0
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cpe:2.3:a:azuracast:azuracast:0.23.1
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cpe:2.3:a:azuracast:azuracast:0.23.2
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cpe:2.3:a:azuracast:azuracast:0.3.1
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cpe:2.3:a:azuracast:azuracast:0.3.2
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cpe:2.3:a:azuracast:azuracast:0.3.3
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cpe:2.3:a:azuracast:azuracast:0.5.0
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cpe:2.3:a:azuracast:azuracast:0.6.0
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cpe:2.3:a:azuracast:azuracast:0.8.0
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cpe:2.3:a:azuracast:azuracast:0.9.0
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cpe:2.3:a:azuracast:azuracast:0.9.1
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cpe:2.3:a:azuracast:azuracast:0.9.2
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cpe:2.3:a:azuracast:azuracast:0.9.3
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cpe:2.3:a:azuracast:azuracast:0.9.4
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cpe:2.3:a:azuracast:azuracast:0.9.4.1
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cpe:2.3:a:azuracast:azuracast:0.9.4.2
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cpe:2.3:a:azuracast:azuracast:0.9.5
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cpe:2.3:a:azuracast:azuracast:0.9.5.1
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cpe:2.3:a:azuracast:azuracast:0.9.6
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cpe:2.3:a:azuracast:azuracast:0.9.6.1
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cpe:2.3:a:azuracast:azuracast:0.9.6.2
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cpe:2.3:a:azuracast:azuracast:0.9.6.5
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cpe:2.3:a:azuracast:azuracast:0.9.7
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cpe:2.3:a:azuracast:azuracast:0.9.7.1
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cpe:2.3:a:azuracast:azuracast:0.9.8
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cpe:2.3:a:azuracast:azuracast:0.9.8.1
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cpe:2.3:a:azuracast:azuracast:0.9.9