Koel: Full-read SSRF via podcast enclosure URL: isPublicHost() filter_var guard does not reject NAT64 (64:ff9b::/96) or 6to4 (2002::/16) IPv6-transition wrappers of internal IPv4

Summary Koel's outbound-URL guard App\Helpers\Network::isPublicHost classifies an IP as "public" using PHP's filtervar$ip, FILTERVALIDATEIP, FILTERFLAGNOPRIVRANGE | FILTERFLAGNORESRANGE. That flag set does not recognise IPv6 transition-address forms that embed a private/loopback/link-local IPv4:...

CVE-2026-47260

Koel (pre-9.3.5) is vulnerable to SSRF via unvalidated podcast enclosure URLs extracted from RSS feeds. The SafeUrl rule validates only the feed URL, not enclosure URLs, which are stored directly in the database and later fetched with Http::sink()->get() when playing an episode, enabling full-...

CVE-2026-47260: Server-Side Request Forgery (SSRF)

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 values extracted from the RSS XML are stored directly into the database without any SSRF validation...

Code injection

Unspecified vulnerability in NewzCrawler 1.8 allows remote attackers to cause a denial of service application instability via certain invalid strings in the URL attribute of an ENCLOSURE element, as demonstrated by a "%s" sequence, a "%Y" sequence, a "%%" sequence, and an "n," sequence...