CVE-2026-50552
Description
Koel is a free, open-source music streaming solution. Prior to version 9.7.1, Koel contains a Server-Side Request Forgery (SSRF) vulnerability in the radio station creation endpoint (POST /api/radio/stations). The url field validation rules are declared without the bail keyword, so the HasAudioContentType rule — which issues HTTP requests to the supplied URL — still executes even after the SafeUrl rule has rejected the URL as pointing to a private/reserved address. Any authenticated, non-admin user can therefore coerce the server into making HEAD/GET requests to arbitrary internal hosts. This issue has been patched in version 9.7.1.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
phanan/koelPackagist | < 9.7.1 | 9.7.1 |
Affected products
2Patches
Vulnerability mechanics
References
6- github.com/advisories/GHSA-jr4p-4xjh-fwvwghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-50552ghsaADVISORY
- github.com/koel/koel/commit/5f6ce2cefd08f437a269236b677ad971517ccbb6nvdWEB
- github.com/koel/koel/pull/2549ghsaWEB
- github.com/koel/koel/releases/tag/v9.7.1ghsaWEB
- github.com/koel/koel/security/advisories/GHSA-jr4p-4xjh-fwvwnvdWEB
News mentions
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