{"id":"CVE-2026-48484","summary":"pyLoad: Lack of Input Size Validation Leads to Denial of Service (DoS) and Process Termination","details":"pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev101, the API `rpc` function in `api_blueprint.py` handles `multipart/form-data` uploads by reading the whole content of the uploaded file into memory with `file.read()`. This occurs before the data is sent to the underlying function. Since there is no size limit set at this point, a large file upload can exhaust the server's available memory which led to process termination. Version 0.5.0b3.dev101 contains a patch.","aliases":["GHSA-vq8p-m3wm-gv5f","PYSEC-2026-4293"],"modified":"2026-10-15T14:56:20.013961845Z","published":"2026-10-09T16:26:37.728Z","database_specific":{"cwe_ids":["CWE-20","CWE-400"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48484.json","unresolved_ranges":[{"source":"AFFECTED_FIELD","extracted_events":[{"fixed":"0.5.0b3.dev101"}]}],"cna_assigner":"GitHub_M"},"references":[{"type":"WEB","url":"https://github.com/pyload/pyload/blob/8e447958b8a66c5899775e725a8b90bce6643004/src/pyload/webui/app/blueprints/api_blueprint.py#L73"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48484.json"},{"type":"ADVISORY","url":"https://github.com/pyload/pyload/security/advisories/GHSA-vq8p-m3wm-gv5f"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48484"},{"type":"FIX","url":"https://github.com/pyload/pyload/commit/461cd66f30fa9e96453fb4d8c5c47467e452363c"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/pyload/pyload","events":[{"introduced":"0"},{"fixed":"461cd66f30fa9e96453fb4d8c5c47467e452363c"}],"database_specific":{"source":"REFERENCES"}}],"versions":["v0.4.9","v0.4.8","v0.4.7","v0.4.6","v0.4.5","v0.4.4","v0.4.3","v0.4.2","v0.4.1","v0.4","v0.3.2","v0.3.1","v0.3","v0.2.2","v0.2.1","v0.2","v0.1.1","v0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-48484.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}