{"action":"Upgrade python-aiohttp to 3.14.3-1 or later.","affected":[{"fixed":"3.14.3-1","introduced":"0"}],"component":"python-aiohttp","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["3.14.3-1"],"id":"tcs_01M5NT66P5R5FKMGGQHAFFQBQR","modified_at":"2026-11-01T00:00:11.337997054Z","published_at":"2026-07-30T19:18:33.597Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-59881","https://security-tracker.debian.org/tracker/CVE-2026-59881"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-59881#Debian:14/python-aiohttp","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-59881"}],"summary":"AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.2, the WebSocket client accepts and decompresses frames with the RSV1 bit set even when the permessage-def"}