{"id":"CVE-2026-111065","title":"AIOHTTP: Connector pool exhaustion via Max-Age overflow","summary":"AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, Max-Age processing can overflow and skip closing a connection. An attacker can consequently exhaust the connection pool temporarily until ga…","severity":"medium","cvss":6.9,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","cvssSource":"cna","cwe":["CWE-770"],"vendor":"aio-libs","product":"aiohttp","affected":["aiohttp < 3.14.4"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-19T17:34:44.525014Z"},"published":"2026-10-19","updated":"2026-10-19","sourceUpdated":"2026-10-19T17:35:52.967Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111065","references":[{"url":"https://github.com/aio-libs/aiohttp/security/advisories/GHSA-6cjc-53gc-5rqm","label":"https://github.com/aio-libs/aiohttp/security/advisories/GHSA-6cjc-53gc-5rqm"},{"url":"https://github.com/aio-libs/aiohttp/commit/9dd8eaf4e31f1237ef2c1574a8c82a739fca5805","label":"https://github.com/aio-libs/aiohttp/commit/9dd8eaf4e31f1237ef2c1574a8c82a739fca5805"},{"url":"https://github.com/aio-libs/aiohttp/releases/tag/v3.14.4","label":"https://github.com/aio-libs/aiohttp/releases/tag/v3.14.4"}],"tags":["cve.org"],"ingestedAt":"2026-10-19T17:33:42.457Z","slug":"CVE-2026-111065","body":"## Overview\n\nAIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, Max-Age processing can overflow and skip closing a connection. An attacker can consequently exhaust the connection pool temporarily until garbage collection resolves the connections. This issue is fixed in version 3.14.4.\n\n## Affected\n\n- `aiohttp < 3.14.4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":38,"depthScoreParts":{"impact":38,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}