{"action":"Upgrade python-socketio to 5.16.2 or later.","affected":[{"fixed":"5.16.2","introduced":"0"}],"component":"python-socketio","cve_ids":["CVE-2026-48804"],"ecosystem":"PyPI","epss":0.00488,"exploited":false,"fixed_versions":["5.16.2"],"ghsa_id":"GHSA-5w7q-77mv-v69f","id":"tcs_01M5KH32QJE3QNJN3D204GT9T0","modified_at":"2026-07-13T16:33:29.305219409Z","published_at":"2026-07-13T15:46:24.787391Z","references":["https://osv.dev/vulnerability/PYSEC-2026-3042","https://github.com/miguelgrinberg/python-socketio/security/advisories/GHSA-5w7q-77mv-v69f","https://github.com/miguelgrinberg/python-socketio","https://pypi.org/project/python-socketio","https://github.com/advisories/GHSA-5w7q-77mv-v69f","https://nvd.nist.gov/vuln/detail/CVE-2026-48804"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-3042","url":"https://osv.dev/vulnerability/PYSEC-2026-3042"}],"summary":"python-socketio: Binary attachment accumulation can cause denial of service"}