{"action":"Upgrade github.com/apernet/hysteria/core/v2 to 2.9.2 or later.","affected":[{"fixed":"2.9.2","introduced":"0"}],"component":"github.com/apernet/hysteria/core/v2","cve_ids":[],"ecosystem":"Go","exploited":false,"fixed_versions":["2.9.2"],"ghsa_id":"GHSA-vgrc-hq28-p3xp","id":"tcs_01M5KGQ0FGGC39FWMJ3Z1748SN","modified_at":"2026-07-07T16:01:34.690741465Z","published_at":"2026-07-07T15:26:32Z","references":["https://osv.dev/vulnerability/GO-2026-5809","https://github.com/apernet/hysteria/security/advisories/GHSA-vgrc-hq28-p3xp"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-5809#Go/github.com/apernet/hysteria/core/v2","url":"https://osv.dev/vulnerability/GO-2026-5809"}],"summary":"Hysteria has an authenticated UDP ACL bypass that enables localhost and private-network UDP SSRF in github.com/apernet/hysteria/core"}