{"id":"CVE-2026-54491","state":"PUBLISHED","title":"Koel: Incomplete fix for CVE-2026-47260 — systemic SSRF in podcast & radio fetch paths","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.","publishedAt":"2026-08-19T20:48:12.951Z","updatedAt":"2026-08-20T19:47:26.429Z","severity":{"score":7.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["koel koel"],"affected":[{"vendor":"koel","product":"koel","versions":[{"version":"< 9.7.1","status":"affected"}]}],"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"],"weaknesses":["CWE-918"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/54xxx/CVE-2026-54491.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-54491","state":"PUBLISHED","datePublished":"2026-08-19T20:48:12.951Z","dateUpdated":"2026-08-20T19:47:26.429Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-15T18:01:15.510Z"},"containers":{"cna":{"title":"Koel: Incomplete fix for CVE-2026-47260 — systemic SSRF in podcast & radio fetch paths","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"koel","product":"koel","versions":[{"version":"< 9.7.1","status":"affected"}]}],"references":[{"url":"https://github.com/koel/koel/security/advisories/GHSA-6qvr-wjmv-v8mm","name":"https://github.com/koel/koel/security/advisories/GHSA-6qvr-wjmv-v8mm","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/koel/koel/pull/2546","name":"https://github.com/koel/koel/pull/2546","tags":["x_refsource_MISC"]},{"url":"https://github.com/koel/koel/pull/2549","name":"https://github.com/koel/koel/pull/2549","tags":["x_refsource_MISC"]},{"url":"https://github.com/koel/koel/commit/5f6ce2cefd08f437a269236b677ad971517ccbb6","name":"https://github.com/koel/koel/commit/5f6ce2cefd08f437a269236b677ad971517ccbb6","tags":["x_refsource_MISC"]},{"url":"https://github.com/koel/koel/commit/c264a3d52513a83b21e1cc3a20e895caea97fc4a","name":"https://github.com/koel/koel/commit/c264a3d52513a83b21e1cc3a20e895caea97fc4a","tags":["x_refsource_MISC"]},{"url":"https://github.com/koel/koel/releases/tag/v9.7.1","name":"https://github.com/koel/koel/releases/tag/v9.7.1","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-918","lang":"en","description":"CWE-918: Server-Side Request Forgery (SSRF)","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-19T20:48:12.951Z"},"source":{"advisory":"GHSA-6qvr-wjmv-v8mm","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/koel/koel/security/advisories/GHSA-6qvr-wjmv-v8mm","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-20T19:47:20.594827Z","id":"CVE-2026-54491","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-20T19:47:26.429Z"}}]}}}