{"id":"CVE-2026-100391","summary":"MediaFlow Proxy through 2.4.9 Server-Side Request Forgery via Incomplete Validation","details":"MediaFlow Proxy through 2.4.9 contains a server-side request forgery vulnerability in the /proxy routes due to missing and incomplete destination validation in the d query parameter. Remote attackers can supply arbitrary internal URLs including loopback and cloud metadata endpoints to read full responses from the proxy server.","modified":"2026-09-27T03:46:27.976488735Z","published":"2026-09-25T20:13:12.968Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100391.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-918"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100391.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100391"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/mediaflow-proxy-through-2.4.9-server-side-request-forgery-via-incomplete-validation"},{"type":"FIX","url":"https://github.com/mhdzumair/mediaflow-proxy/commit/99f4af1153d4766420a098a232183cba1efdc560"},{"type":"PACKAGE","url":"https://github.com/mhdzumair/mediaflow-proxy"},{"type":"ARTICLE","url":"https://github.com/mhdzumair/mediaflow-proxy/blob/2.4.9/mediaflow_proxy/routes/proxy.py#L532-L569"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mhdzumair/mediaflow-proxy","events":[{"introduced":"0"},{"fixed":"e88bf61385f9878ea27c887ae60a77ea3a25c6bc"},{"fixed":"99f4af1153d4766420a098a232183cba1efdc560"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"2.4.9"}],"source":["DESCRIPTION","REFERENCES"]}}],"versions":["2.4.9","2.4.8","2.4.7","2.4.6","2.4.5","2.4.4","2.4.3","2.4.2","2.4.1","2.4.0","2.3.5","2.3.4","2.3.3","2.3.2","2.3.1","2.3.0","2.2.5","2.2.4","2.2.3","2.2.1","2.2.0","2.1.9","2.1.8","2.1.7","2.1.6","2.1.5","2.1.4","2.1.3","2.1.2","2.1.1","2.1.0","2.0.3","2.0.2","2.0.1","2.0.0","1.9.9","1.9.8","1.9.7","1.9.6","1.9.5","1.9.4","1.9.3","1.9.2","1.9.1","1.9.0","1.8.0","1.7.5","1.7.4","1.7.3","1.7.1","1.7.0","1.6.0","1.5.1","1.5.0","1.4.2","1.4.1","1.4.0","1.3.0","1.2.0","1.1.0","1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-100391.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N"}]}