Security Advisory

CVE-2026-47260

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-12 18:50:42

Last updated 2026-06-13 03:28:32

Assigner GitHub_M

CVSS score 7.7

State PUBLISHED

Description

Koel is a free, open-source music streaming solution. Prior to version 9.3.5, Koel validates the podcast feed URL via the SafeUrl rule (DNS resolution + public IP check), but the individual episode <enclosure url="..."> values extracted from the RSS XML are stored directly into the database without any SSRF validation. When a user plays an episode, the server downloads the full HTTP response from the unvalidated enclosure URL via Http::sink()->get() and streams it back to the user, enabling full-read SSRF against internal services. This issue has been patched in version 9.3.5.

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