{"id":"GHSA-9xw5-w5jj-pvcg","summary":"AIOHTTP: File descriptor exhaustion in multipart requests","details":"### Summary\n\nAn attacker can exhaust file descriptors with specially crafted multipart requests.\n\n### Impact\n\nIf a handler uses `Request.post()`, it may be possible for an attacker to use an unlimited number of file descriptors, potentially resulting in resource exhaustion.","aliases":["CVE-2026-111066"],"modified":"2026-10-20T20:00:04.692319554Z","published":"2026-10-20T19:52:09Z","database_specific":{"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2026-10-20T19:52:09Z","nvd_published_at":"2026-10-19T17:17:03Z","cwe_ids":["CWE-400","CWE-770"]},"references":[{"type":"WEB","url":"https://github.com/aio-libs/aiohttp/security/advisories/GHSA-9xw5-w5jj-pvcg"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111066"},{"type":"WEB","url":"https://github.com/aio-libs/aiohttp/commit/2d94633b7f1b4c1ba07d647b629a8440652b2d09"},{"type":"PACKAGE","url":"https://github.com/aio-libs/aiohttp"},{"type":"WEB","url":"https://github.com/aio-libs/aiohttp/releases/tag/v3.14.4"}],"affected":[{"package":{"name":"aiohttp","ecosystem":"PyPI","purl":"pkg:pypi/aiohttp"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"fixed":"3.14.4"}]}],"versions":["2.0.0","2.0.1","2.0.2","2.0.3","2.0.4","2.0.5","2.0.6","2.0.7","2.1.0","2.2.0","2.2.1","2.2.2","2.2.3","2.2.4","2.2.5","2.3.0","2.3.0a1","2.3.0a2","2.3.0a3","2.3.0a4","2.3.1","2.3.10","2.3.1a1","2.3.2","2.3.2b2","2.3.2b3","2.3.3","2.3.4","2.3.5","2.3.6","2.3.7","2.3.8","2.3.9","3.0.0","3.0.0b0","3.0.0b1","3.0.0b2","3.0.0b3","3.0.0b4","3.0.1","3.0.2","3.0.3","3.0.4","3.0.5","3.0.6","3.0.7","3.0.8","3.0.9","3.1.0","3.1.1","3.1.2","3.1.3","3.10.0","3.10.0b1","3.10.0rc0","3.10.1","3.10.10","3.10.11","3.10.11rc0","3.10.2","3.10.3","3.10.4","3.10.5","3.10.6","3.10.6rc0","3.10.6rc1","3.10.6rc2","3.10.7","3.10.8","3.10.9","3.11.0","3.11.0b0","3.11.0b1","3.11.0b2","3.11.0b3","3.11.0b4","3.11.0b5","3.11.0rc0","3.11.0rc1","3.11.0rc2","3.11.1","3.11.10","3.11.11","3.11.12","3.11.13","3.11.14","3.11.15","3.11.16","3.11.17","3.11.18","3.11.2","3.11.3","3.11.4","3.11.5","3.11.6","3.11.7","3.11.8","3.11.9","3.12.0","3.12.0b0","3.12.0b1","3.12.0b2","3.12.0b3","3.12.0rc0","3.12.0rc1","3.12.1","3.12.10","3.12.11","3.12.12","3.12.13","3.12.14","3.12.15","3.12.1rc0","3.12.2","3.12.3","3.12.4","3.12.6","3.12.7","3.12.7rc0","3.12.8","3.12.9","3.13.0","3.13.1","3.13.2","3.13.3","3.13.4","3.13.5","3.14.0","3.14.1","3.14.2","3.14.3","3.2.0","3.2.1","3.3.0","3.3.0a0","3.3.1","3.3.2","3.3.2a0","3.4.0","3.4.0a0","3.4.0a3","3.4.0b1","3.4.0b2","3.4.1","3.4.2","3.4.3","3.4.4","3.5.0","3.5.0a1","3.5.0b1","3.5.0b2","3.5.0b3","3.5.1","3.5.2","3.5.3","3.5.4","3.6.0","3.6.0a0","3.6.0a1","3.6.0a11","3.6.0a12","3.6.0a2","3.6.0a3","3.6.0a4","3.6.0a5","3.6.0a6","3.6.0a7","3.6.0a8","3.6.0a9","3.6.0b0","3.6.1","3.6.1b3","3.6.1b4","3.6.2","3.6.2a0","3.6.2a1","3.6.2a2","3.6.3","3.7.0","3.7.0b0","3.7.0b1","3.7.1","3.7.2","3.7.3","3.7.4","3.7.4.post0","3.8.0","3.8.0a7","3.8.0b0","3.8.1","3.8.2","3.8.3","3.8.4","3.8.5","3.8.6","3.9.0","3.9.0b0","3.9.0b1","3.9.0rc0","3.9.1","3.9.2","3.9.3","3.9.4","3.9.4rc0","3.9.5"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-9xw5-w5jj-pvcg/GHSA-9xw5-w5jj-pvcg.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}]}