{"action":"Upgrade golang-1.26 to 1.26.6-1 or later.","affected":[{"fixed":"1.26.6-1","introduced":"0"}],"component":"golang-1.26","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.26.6-1"],"id":"tcs_01M5NT2E05RR3C81BYN6BRWHWT","modified_at":"2026-10-25T09:47:34.901726183Z","published_at":"2026-08-13T22:17:22.550Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-56862","https://security-tracker.debian.org/tracker/CVE-2026-56862"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-56862#Debian:14/golang-1.26","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-56862"}],"summary":"Handshake messages, such as KeyUpdate, are always considered as state-advancing, regardless of whether a handshake has been completed or not. As a result, a malicious client can keep sending KeyUpdate"}