{"id":"CVE-2026-109823","revision":null,"records":[{"revision":"a764306aaa914913a32b8c574e098624","observedAt":"2026-10-27T16:43:42.843+00:00","statement":{"source":"cve-program","id":"CVE-2026-109823","aliases":[],"title":"Host filesystem path disclosure via DNS rebinding","description":"An attacker can read the name of filesystem paths of your application present via Tidewave configuration via /tidewave/connect or via the rendered toolbar.\n\nNeither response checks the Host header. A web page that rebinds its own domain to the loopback address can therefore read the tag with a same-origin request, which carries no Origin header. The paths usually reveal the local username and the project layout.\n\nThis issue affects tidewave: from 0.8.0 before 0.9.2.","state":0,"publishedAt":"2026-10-27T15:47:36.862+00:00","modifiedAt":"2026-10-27T15:47:36.862+00:00","affected":[{"ecosystem":"https://repo.hex.pm","name":"tidewave","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"collectionURL\": \"https://repo.hex.pm\",\n                    \"cpes\": [\n                        \"cpe:2.3:a:tidewave-ai:tidewave:*:*:*:*:*:*:*:*\"\n                    ],\n                    \"defaultStatus\": \"unaffected\",\n                    \"modules\": [\n                        \"'Elixir.Tidewave'\",\n                        \"'Elixir.Tidewave.Router'\"\n                    ],\n                    \"packageName\": \"tidewave\",\n                    \"packageURL\": \"pkg:hex/tidewave\",\n                    \"product\": \"tidewave\",\n                    \"programFiles\": [\n                        \"lib/tidewave.ex\",\n                        \"lib/tidewave/router.ex\"\n                    ],\n                    \"programRoutines\": [\n                        {\n                            \"name\": \"'Elixir.Tidewave':tidewave_config_meta/1\"\n                        },\n                        {\n                            \"name\": \"'Elixir.Tidewave':call/2\"\n                        },\n                        {\n                            \"name\": \"'Elixir.Tidewave.Router':call/2\"\n                        }\n                    ],\n                    \"repo\": \"https://github.com/tidewave-ai/tidewave_phoenix\",\n                    \"vendor\": \"tidewave-ai\",\n                    \"versions\": [\n                        {\n                            \"lessThan\": \"0.9.2\",\n                            \"status\": \"affected\",\n                            \"version\": \"0.8.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"https://github.com","name":"tidewave-ai/tidewave_phoenix","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"collectionURL\": \"https://github.com\",\n                    \"cpes\": [\n                        \"cpe:2.3:a:tidewave-ai:tidewave:*:*:*:*:*:*:*:*\"\n                    ],\n                    \"defaultStatus\": \"unaffected\",\n                    \"modules\": [\n                        \"'Elixir.Tidewave'\",\n                        \"'Elixir.Tidewave.Router'\"\n                    ],\n                    \"packageName\": \"tidewave-ai/tidewave_phoenix\",\n                    \"packageURL\": \"pkg:github/tidewave-ai/tidewave_phoenix\",\n                    \"product\": \"tidewave\",\n                    \"programFiles\": [\n                        \"lib/tidewave.ex\",\n                        \"lib/tidewave/router.ex\"\n                    ],\n                    \"programRoutines\": [\n                        {\n                            \"name\": \"'Elixir.Tidewave':tidewave_config_meta/1\"\n                        },\n                        {\n                            \"name\": \"'Elixir.Tidewave':call/2\"\n                        },\n                        {\n                            \"name\": \"'Elixir.Tidewave.Router':call/2\"\n                        }\n                    ],\n                    \"repo\": \"https://github.com/tidewave-ai/tidewave_phoenix\",\n                    \"vendor\": \"tidewave-ai\",\n                    \"versions\": [\n                        {\n                            \"lessThan\": \"80159536f752dc4d34797934d1516f29cea12b50\",\n                            \"status\": \"affected\",\n                            \"version\": \"f78352b56d19cd4ae49999aa385011cef73e8b93\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","score":2.3,"severity":"LOW"}],"references":["https://cna.erlef.org/cves/CVE-2026-109823.html","https://osv.dev/vulnerability/EEF-CVE-2026-109823","https://github.com/tidewave-ai/tidewave_phoenix/commit/f78352b56d19cd4ae49999aa385011cef73e8b93","https://github.com/tidewave-ai/tidewave_phoenix/commit/80159536f752dc4d34797934d1516f29cea12b50"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-109823","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-109823","identifiers":["CVE-2026-109823"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-10-30T14:45:26.6987549+00:00","complete":true,"records":1764,"lastAttemptAt":"2026-10-30T14:45:26.6987549+00:00","lastSuccessAt":"2026-10-30T14:45:26.9497648+00:00","error":null,"lastVerifiedAt":"2026-10-30T14:45:26.9497653+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-7e2c4e7288f2c464ad8c61f3bb6017374714faedcc781283ac06a706ee1a820b-9ae73af7991357f8171c14345365990a8a2ca2ac30d2f5c0345295ca47cd8b59","complete":true,"records":417062,"lastAttemptAt":"2026-10-30T14:45:26.2761545+00:00","lastSuccessAt":"2026-10-30T13:45:42.363036+00:00","error":null,"lastVerifiedAt":"2026-10-30T14:45:26.2761545+00:00","snapshotPublishedAt":"2026-10-30T13:19:40+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-2061c7564831481480eca7336a6a2d59","complete":false,"records":13525,"lastAttemptAt":"2026-10-30T14:57:22.1548673+00:00","lastSuccessAt":"2026-10-30T14:57:22.151+00:00","error":"74 identifier lookups failed; latest failures include HTTP 403. Other identifiers were checked independently.","lastVerifiedAt":"2026-10-30T14:57:22.151+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":12100,"expectedIdentifiers":13603,"failedIdentifiers":74},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-10-30T14:45:26.6987549+00:00","complete":true,"records":1094,"lastAttemptAt":"2026-10-30T14:45:26.6987549+00:00","lastSuccessAt":"2026-10-30T14:45:26.9516817+00:00","error":null,"lastVerifiedAt":"2026-10-30T14:45:26.951682+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-6a13c6f8f39a448a8b96c895e97b0fc8","complete":true,"records":13543,"lastAttemptAt":"2026-10-30T14:45:34.6994115+00:00","lastSuccessAt":"2026-10-30T14:45:34.696+00:00","error":null,"lastVerifiedAt":"2026-10-30T14:45:34.696+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13603,"expectedIdentifiers":13603,"failedIdentifiers":0},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-b597efeb8fc540d31a792e2148f8b153f027cb0902f6eec1f988f717bba80dd6","complete":true,"records":9806,"lastAttemptAt":"2026-10-30T14:45:26.6211704+00:00","lastSuccessAt":"2026-10-30T11:49:32.1566+00:00","error":null,"lastVerifiedAt":"2026-10-30T14:45:26.6211704+00:00","snapshotPublishedAt":"2026-10-30T11:03:04+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-2de9ccc5290f060c7aa63f89c25dd76f655a64ba1aba7c05c97fa3bee4f09899","complete":true,"records":1967,"lastAttemptAt":"2026-10-30T14:45:26.3367706+00:00","lastSuccessAt":"2026-10-28T20:55:34.2982937+00:00","error":null,"lastVerifiedAt":"2026-10-30T14:45:26.3367706+00:00","snapshotPublishedAt":"2026-10-28T20:03:08+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-f63fa91e750071ae88c9f82019ecd6c982fa4fcc1d3dc5ceb5d9c642fb6bf05c","complete":true,"records":3023,"lastAttemptAt":"2026-10-30T14:45:26.6363468+00:00","lastSuccessAt":"2026-10-30T11:49:36.4759887+00:00","error":null,"lastVerifiedAt":"2026-10-30T14:45:26.6363468+00:00","snapshotPublishedAt":"2026-10-30T11:18:14+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-38769c8a86ea1c9a6224e5523e119bd23337098bd8f535cc5952f8ec88cdd622","complete":true,"records":230950,"lastAttemptAt":"2026-10-30T14:45:26.5064351+00:00","lastSuccessAt":"2026-10-30T13:47:22.3495471+00:00","error":null,"lastVerifiedAt":"2026-10-30T14:45:26.5064351+00:00","snapshotPublishedAt":"2026-10-30T13:33:12+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}