{"schema":"threatline.record/2","record":{"id":"CVE-2026-107449","aliases":[],"summary":"linuxserver Heimdall through 2.8.3 applies its SafeUrlFetcher SSRF protection mechanism only to ItemController; the enhanced-application test and live-stats requests occur via SupportedApps::execute()","details":"linuxserver Heimdall through 2.8.3 applies its SafeUrlFetcher SSRF protection mechanism only to ItemController; the enhanced-application test and live-stats requests occur via SupportedApps::execute(), a GuzzleHttp client that lacks IP address restrictions. In some realistic installations, the POST /test_config (and GET /get_stats) endpoints are accessible through CSRF, and thus an unauthenticated attacker can force the server to send requests to arbitrary internal hosts and ports (including 169.254.169.254) and read a status/port oracle in addition to partial response data.","categories":["Unclassified"],"product":"Heimdall","vendor":"linuxserver","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-107449","source_modified_at":"2026-10-08T17:35:00.370Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"Heimdall","vendor":"linuxserver","versions":[{"lessThanOrEqual":"2.8.3","status":"affected","version":"0","versionType":"semver"}],"defaultStatus":"unknown"}],"fixed_versions":[],"cvss":3.4,"severity":"Low","kev":{"listed":false},"epss":{"probability":0.00162,"percentile":0.05104,"score_date":"2026-10-23"},"published_at":"2026-10-08T04:28:17.619Z","modified_at":"2026-10-08T17:35:00.370Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-107449","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-08T17:35:00.370Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-107449","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/kashishtopi/heimdall-unauth-ssrf","tags":["exploit","technical-description"]},{"source":"CVE List","url":"https://github.com/linuxserver/Heimdall/blob/9ad5864a80d7025db1e6eab8eb2981c165b0ddff/app/SupportedApps.php","tags":["product"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-08T17:34:52.742208Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-08T17:35:00.370Z","content_hash":"2db56fa2199cb544890dd3a78a110fc85ed1e8a3877f9d607f3f7965abe1100f"}}