{"schema_version":1,"title":"github.com/apernet/hysteria/core/v2 (Go) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 5 vulnerabilities in github.com/apernet/hysteria/core/v2 (Go): 0 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, GO-2026-5809 - Hysteria has an authenticated UDP ACL bypass that enables…, was published on 7 July 2026.","url":"https://junglewise.ai/threats/technologies/github-com-apernet-hysteria-core-v2","json_url":"https://junglewise.ai/threats/technologies/github-com-apernet-hysteria-core-v2.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/github-com-apernet-hysteria-core-v2","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":1,"all_time":5,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":1,"last_365_days":5},"latest":[{"slug":"go-2026-5809-hysteria-has-an-authenticated-udp-acl-bypass-that-enables-fc136b8e","title":"GO-2026-5809 - Hysteria has an authenticated UDP ACL bypass that enables localhost and private-network UDP SSRF in github.com/apernet/hysteria/core","severity":"info","exploited":false,"published_at":"2026-07-07T15:26:32+00:00","url":"https://junglewise.ai/threats/go-2026-5809-hysteria-has-an-authenticated-udp-acl-bypass-that-enables-fc136b8e"},{"cvss":3.1,"slug":"hysteria-has-an-authenticated-udp-acl-bypass-that-enables-localhost-and-477dc402","title":"Hysteria has an authenticated UDP ACL bypass that enables localhost and private-network UDP SSRF","severity":"low","exploited":false,"published_at":"2026-06-26T19:48:50+00:00","url":"https://junglewise.ai/threats/hysteria-has-an-authenticated-udp-acl-bypass-that-enables-localhost-and-477dc402"},{"cvss":7.4,"slug":"apernet-hysteria-udp-acl-bypass-and-ssrf-b247b4ec","title":"apernet Hysteria UDP ACL bypass and SSRF","severity":"high","exploited":false,"published_at":"2026-06-26T19:48:50+00:00","url":"https://junglewise.ai/threats/apernet-hysteria-udp-acl-bypass-and-ssrf-b247b4ec"},{"slug":"go-2026-5288-hysteria-a-specially-constructed-quic-package-can-crash-89d3770b","title":"GO-2026-5288 - Hysteria: A specially constructed quic package can crash the server OOM when the sniff is enabled in github.com/apernet/hysteria/core","severity":"info","exploited":false,"published_at":"2026-06-25T18:43:19+00:00","url":"https://junglewise.ai/threats/go-2026-5288-hysteria-a-specially-constructed-quic-package-can-crash-89d3770b"},{"cvss":3.1,"slug":"hysteria-a-specially-constructed-quic-package-can-crash-the-server-oom-8b6b3a75","title":"Hysteria: A specially constructed quic package can crash the server OOM when the sniff is enabled","severity":"low","exploited":false,"published_at":"2026-05-05T21:14:22+00:00","url":"https://junglewise.ai/threats/hysteria-a-specially-constructed-quic-package-can-crash-the-server-oom-8b6b3a75"}],"weekly":[{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"github.com/mattermost/mattermost-server (Go)","slug":"github-com-mattermost-mattermost-server","vulnerabilities":274,"url":"https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server"},{"name":"github.com/mattermost/mattermost-server/v6 (Go)","slug":"github-com-mattermost-mattermost-server-v6","vulnerabilities":188,"url":"https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v6"},{"name":"github.com/mattermost/mattermost-server/v5 (Go)","slug":"github-com-mattermost-mattermost-server-v5","vulnerabilities":186,"url":"https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v5"},{"name":"github.com/mattermost/mattermost/server/v8 (Go)","slug":"github-com-mattermost-mattermost-server-v8","vulnerabilities":182,"url":"https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v8"},{"name":"stdlib (Go)","slug":"go-stdlib","vulnerabilities":161,"url":"https://junglewise.ai/threats/technologies/go-stdlib"},{"name":"github.com/siyuan-note/siyuan/kernel (Go)","slug":"github-com-siyuan-note-siyuan-kernel","vulnerabilities":158,"url":"https://junglewise.ai/threats/technologies/github-com-siyuan-note-siyuan-kernel"},{"name":"code.gitea.io/gitea (Go)","slug":"code-gitea-io-gitea","vulnerabilities":128,"url":"https://junglewise.ai/threats/technologies/code-gitea-io-gitea"},{"name":"gogs.io/gogs (Go)","slug":"gogs-io-gogs","vulnerabilities":82,"url":"https://junglewise.ai/threats/technologies/gogs-io-gogs"},{"name":"github.com/traefik/traefik (Go)","slug":"github-com-traefik-traefik","vulnerabilities":75,"url":"https://junglewise.ai/threats/technologies/github-com-traefik-traefik"},{"name":"github.com/usememos/memos (Go)","slug":"github-com-usememos-memos","vulnerabilities":75,"url":"https://junglewise.ai/threats/technologies/github-com-usememos-memos"},{"name":"github.com/traefik/traefik/v2 (Go)","slug":"github-com-traefik-traefik-v2","vulnerabilities":73,"url":"https://junglewise.ai/threats/technologies/github-com-traefik-traefik-v2"},{"name":"github.com/traefik/traefik/v3 (Go)","slug":"github-com-traefik-traefik-v3","vulnerabilities":68,"url":"https://junglewise.ai/threats/technologies/github-com-traefik-traefik-v3"}],"technology":{"hub":true,"name":"github.com/apernet/hysteria/core/v2 (Go)","slug":"github-com-apernet-hysteria-core-v2","vendor":{"name":"Go","slug":"go","url":"https://junglewise.ai/threats/vendors/go"},"aliases":[],"homepage":"https://github.com/apernet/hysteria","repo_url":"https://github.com/apernet/hysteria","description":"The core library for the Hysteria proxy protocol version 2, implemented in Go.","url":"https://junglewise.ai/threats/technologies/github-com-apernet-hysteria-core-v2"},"most_severe":[{"cvss":7.4,"slug":"apernet-hysteria-udp-acl-bypass-and-ssrf-b247b4ec","title":"apernet Hysteria UDP ACL bypass and SSRF","severity":"high","exploited":false,"published_at":"2026-06-26T19:48:50+00:00","url":"https://junglewise.ai/threats/apernet-hysteria-udp-acl-bypass-and-ssrf-b247b4ec"},{"cvss":3.1,"slug":"hysteria-has-an-authenticated-udp-acl-bypass-that-enables-localhost-and-477dc402","title":"Hysteria has an authenticated UDP ACL bypass that enables localhost and private-network UDP SSRF","severity":"low","exploited":false,"published_at":"2026-06-26T19:48:50+00:00","url":"https://junglewise.ai/threats/hysteria-has-an-authenticated-udp-acl-bypass-that-enables-localhost-and-477dc402"},{"cvss":3.1,"slug":"hysteria-a-specially-constructed-quic-package-can-crash-the-server-oom-8b6b3a75","title":"Hysteria: A specially constructed quic package can crash the server OOM when the sniff is enabled","severity":"low","exploited":false,"published_at":"2026-05-05T21:14:22+00:00","url":"https://junglewise.ai/threats/hysteria-a-specially-constructed-quic-package-can-crash-the-server-oom-8b6b3a75"},{"slug":"go-2026-5809-hysteria-has-an-authenticated-udp-acl-bypass-that-enables-fc136b8e","title":"GO-2026-5809 - Hysteria has an authenticated UDP ACL bypass that enables localhost and private-network UDP SSRF in github.com/apernet/hysteria/core","severity":"info","exploited":false,"published_at":"2026-07-07T15:26:32+00:00","url":"https://junglewise.ai/threats/go-2026-5809-hysteria-has-an-authenticated-udp-acl-bypass-that-enables-fc136b8e"},{"slug":"go-2026-5288-hysteria-a-specially-constructed-quic-package-can-crash-89d3770b","title":"GO-2026-5288 - Hysteria: A specially constructed quic package can crash the server OOM when the sniff is enabled in github.com/apernet/hysteria/core","severity":"info","exploited":false,"published_at":"2026-06-25T18:43:19+00:00","url":"https://junglewise.ai/threats/go-2026-5288-hysteria-a-specially-constructed-quic-package-can-crash-89d3770b"}],"generated_at":"2026-09-28T03:07:00.154823+00:00"}