{"items":[{"id":"NVI-00005623","kind":"vulnerability","title":"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","revision":5,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-rjg7-r26h-cfp2","CVE-2026-54494"],"plain_summary":"GitHub lists this reviewed advisory for phanan/koel. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-11592d47249db2a9f4ef5724c4d55306"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 9.7.1 for phanan/koel. Confirm the publisher’s latest guidance.","source_ids":["sr-9657d2d8e7fd013514989dcb5877110f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-26T10:10:00.140Z","value":"5.3 MEDIUM (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-85d7a0b0722ff3428e846f6edc5b8652"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.427%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.37025. Missing scores are unknown.","source_id":"sr-11592d47249db2a9f4ef5724c4d55306"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-648c62ab0a19887f5c40ab7c74ffbe5f","url":"https://github.com/advisories/GHSA-rjg7-r26h-cfp2","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-rjg7-r26h-cfp2","publisher":"GitHub Advisory Database","observed_at":"2026-11-04T09:59:43.724Z"},{"id":"sr-9657d2d8e7fd013514989dcb5877110f","url":"https://github.com/advisories/GHSA-rjg7-r26h-cfp2","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-rjg7-r26h-cfp2","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.364Z"},{"id":"sr-85d7a0b0722ff3428e846f6edc5b8652","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54494","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-54494","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:31.710Z"},{"id":"sr-11592d47249db2a9f4ef5724c4d55306","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-54494","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.282Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-648c62ab0a19887f5c40ab7c74ffbe5f"],"technology":"phanan/koel","known_exclusions":[],"conditions_summary":"## Summary\n\nKoel's outbound-URL guard `App\\Helpers\\Network::isPublicHost()` classifies an IP as \"public\" using PHP's `filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE)`. That flag set does **not** recognise IPv6 transition-address forms that embed a private/loopback/link-local IPv4: NAT64 well-known prefix `64:ff9b::/96` (RFC 6052) and 6to4 `2002::/16` (RFC 3056). An address such as `64:ff9b::7f00:1` (= `127.0.0.1`), `64:ff9b::a9fe:a9fe` (= `169.254.169.254`, the cloud metadata endpoint), or `2002:a00:1::` (= `10.0.0.1`) is reported as a public address, so the guard returns `true` and Koel proceeds to fetch the URL.\n\nThe guard is the only SSRF defense in front of `App\\Values\\Podcast\\EpisodePlayable::createForEpisode()`, which downloads a podcast episode with `Http::sink($file)->get($url)` and streams the response body back to the requesting user. Because an attacker fully controls the `` of any RSS feed they host (and any authenticated user can subscribe to a feed), they can publish an enclosure whose hostname has an `AAAA` record that is a NAT64/6to4 wrapper of an internal IP. On hosts with NAT64 or 6to4/dual-stack routing (th","public_affected_ranges":["<= 9.7.0"]},{"certainty":"source_listed","source_ids":["sr-9657d2d8e7fd013514989dcb5877110f"],"technology":"phanan/koel","known_exclusions":[],"conditions_summary":"## Summary\n\nKoel's outbound-URL guard `App\\Helpers\\Network::isPublicHost()` classifies an IP as \"public\" using PHP's `filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE)`. That flag set does **not** recognise IPv6 transition-address forms that embed a private/loopback/link-local IPv4: NAT64 well-known prefix `64:ff9b::/96` (RFC 6052) and 6to4 `2002::/16` (RFC 3056). An address such as `64:ff9b::7f00:1` (= `127.0.0.1`), `64:ff9b::a9fe:a9fe` (= `169.254.169.254`, the cloud metadata endpoint), or `2002:a00:1::` (= `10.0.0.1`) is reported as a public address, so the guard returns `true` and Koel proceeds to fetch the URL.\n\nThe guard is the only SSRF defense in front of `App\\Values\\Podcast\\EpisodePlayable::createForEpisode()`, which downloads a podcast episode with `Http::sink($file)->get($url)` and streams the response body back to the requesting user. Because an attacker fully controls the `` of any RSS feed they host (and any authenticated user can subscribe to a feed), they can publish an enclosure whose hostname has an `AAAA` record that is a NAT64/6to4 wrapper of an internal IP. On hosts with NAT64 or 6to4/dual-stack routing (th","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 9.7.1"]}],"null_published_at":"2026-11-04T10:04:27.929Z","source_updated_at":"2026-07-15T18:21:40.000Z","source_disclosed_at":"2026-07-15T18:21:39.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:41.364Z"},{"id":"NVI-00005623","kind":"vulnerability","title":"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","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-rjg7-r26h-cfp2","CVE-2026-54494"],"plain_summary":"OSV carries this publisher advisory for phanan/koel. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 9.7.1 for phanan/koel. Confirm the publisher’s latest guidance.","source_ids":["sr-9657d2d8e7fd013514989dcb5877110f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-11592d47249db2a9f4ef5724c4d55306"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-26T10:10:00.140Z","value":"5.3 MEDIUM (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-85d7a0b0722ff3428e846f6edc5b8652"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.427%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.37025. Missing scores are unknown.","source_id":"sr-11592d47249db2a9f4ef5724c4d55306"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-9657d2d8e7fd013514989dcb5877110f","url":"https://github.com/advisories/GHSA-rjg7-r26h-cfp2","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-rjg7-r26h-cfp2","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.364Z"},{"id":"sr-85d7a0b0722ff3428e846f6edc5b8652","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54494","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-54494","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:31.710Z"},{"id":"sr-11592d47249db2a9f4ef5724c4d55306","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-54494","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.282Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-9657d2d8e7fd013514989dcb5877110f"],"technology":"phanan/koel","known_exclusions":[],"conditions_summary":"## Summary\n\nKoel's outbound-URL guard `App\\Helpers\\Network::isPublicHost()` classifies an IP as \"public\" using PHP's `filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE)`. That flag set does **not** recognise IPv6 transition-address forms that embed a private/loopback/link-local IPv4: NAT64 well-known prefix `64:ff9b::/96` (RFC 6052) and 6to4 `2002::/16` (RFC 3056). An address such as `64:ff9b::7f00:1` (= `127.0.0.1`), `64:ff9b::a9fe:a9fe` (= `169.254.169.254`, the cloud metadata endpoint), or `2002:a00:1::` (= `10.0.0.1`) is reported as a public address, so the guard returns `true` and Koel proceeds to fetch the URL.\n\nThe guard is the only SSRF defense in front of `App\\Values\\Podcast\\EpisodePlayable::createForEpisode()`, which downloads a podcast episode with `Http::sink($file)->get($url)` and streams the response body back to the requesting user. Because an attacker fully controls the `` of any RSS feed they host (and any authenticated user can subscribe to a feed), they can publish an enclosure whose hostname has an `AAAA` record that is a NAT64/6to4 wrapper of an internal IP. On hosts with NAT64 or 6to4/dual-stack routing (th","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 9.7.1"]}],"null_published_at":"2026-11-03T17:49:21.357Z","source_updated_at":"2026-07-15T18:41:49.319Z","source_disclosed_at":"2026-07-15T18:21:39.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:41.364Z"},{"id":"NVI-00005623","kind":"vulnerability","title":"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","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-rjg7-r26h-cfp2","CVE-2026-54494"],"plain_summary":"OSV carries this publisher advisory for phanan/koel. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 9.7.1 for phanan/koel. Confirm the publisher’s latest guidance.","source_ids":["sr-9657d2d8e7fd013514989dcb5877110f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-820110b59002a750e7b6c494c6f0c04b"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.427%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.3703. Missing scores are unknown.","source_id":"sr-820110b59002a750e7b6c494c6f0c04b"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-9657d2d8e7fd013514989dcb5877110f","url":"https://github.com/advisories/GHSA-rjg7-r26h-cfp2","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-rjg7-r26h-cfp2","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.364Z"},{"id":"sr-820110b59002a750e7b6c494c6f0c04b","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-54494","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.382Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-9657d2d8e7fd013514989dcb5877110f"],"technology":"phanan/koel","known_exclusions":[],"conditions_summary":"## Summary\n\nKoel's outbound-URL guard `App\\Helpers\\Network::isPublicHost()` classifies an IP as \"public\" using PHP's `filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE)`. That flag set does **not** recognise IPv6 transition-address forms that embed a private/loopback/link-local IPv4: NAT64 well-known prefix `64:ff9b::/96` (RFC 6052) and 6to4 `2002::/16` (RFC 3056). An address such as `64:ff9b::7f00:1` (= `127.0.0.1`), `64:ff9b::a9fe:a9fe` (= `169.254.169.254`, the cloud metadata endpoint), or `2002:a00:1::` (= `10.0.0.1`) is reported as a public address, so the guard returns `true` and Koel proceeds to fetch the URL.\n\nThe guard is the only SSRF defense in front of `App\\Values\\Podcast\\EpisodePlayable::createForEpisode()`, which downloads a podcast episode with `Http::sink($file)->get($url)` and streams the response body back to the requesting user. Because an attacker fully controls the `` of any RSS feed they host (and any authenticated user can subscribe to a feed), they can publish an enclosure whose hostname has an `AAAA` record that is a NAT64/6to4 wrapper of an internal IP. On hosts with NAT64 or 6to4/dual-stack routing (th","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 9.7.1"]}],"null_published_at":"2026-11-03T02:33:09.085Z","source_updated_at":"2026-07-15T18:41:49.319Z","source_disclosed_at":"2026-07-15T18:21:39.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:41.364Z"},{"id":"NVI-00005623","kind":"vulnerability","title":"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","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-rjg7-r26h-cfp2","CVE-2026-54494"],"plain_summary":"OSV carries this publisher advisory for phanan/koel. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 9.7.1 for phanan/koel. Confirm the publisher’s latest guidance.","source_ids":["sr-9657d2d8e7fd013514989dcb5877110f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-9657d2d8e7fd013514989dcb5877110f","url":"https://github.com/advisories/GHSA-rjg7-r26h-cfp2","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-rjg7-r26h-cfp2","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.364Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-9657d2d8e7fd013514989dcb5877110f"],"technology":"phanan/koel","known_exclusions":[],"conditions_summary":"## Summary\n\nKoel's outbound-URL guard `App\\Helpers\\Network::isPublicHost()` classifies an IP as \"public\" using PHP's `filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE)`. That flag set does **not** recognise IPv6 transition-address forms that embed a private/loopback/link-local IPv4: NAT64 well-known prefix `64:ff9b::/96` (RFC 6052) and 6to4 `2002::/16` (RFC 3056). An address such as `64:ff9b::7f00:1` (= `127.0.0.1`), `64:ff9b::a9fe:a9fe` (= `169.254.169.254`, the cloud metadata endpoint), or `2002:a00:1::` (= `10.0.0.1`) is reported as a public address, so the guard returns `true` and Koel proceeds to fetch the URL.\n\nThe guard is the only SSRF defense in front of `App\\Values\\Podcast\\EpisodePlayable::createForEpisode()`, which downloads a podcast episode with `Http::sink($file)->get($url)` and streams the response body back to the requesting user. Because an attacker fully controls the `` of any RSS feed they host (and any authenticated user can subscribe to a feed), they can publish an enclosure whose hostname has an `AAAA` record that is a NAT64/6to4 wrapper of an internal IP. On hosts with NAT64 or 6to4/dual-stack routing (th","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 9.7.1"]}],"null_published_at":"2026-10-31T22:13:01.472Z","source_updated_at":"2026-07-15T18:41:49.319Z","source_disclosed_at":"2026-07-15T18:21:39.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:42:41.364Z"}],"next_cursor":null,"snapshot_revision":"42594"}