{"action":"Upgrade curl to 8.21.0~rc2-1 or later.","affected":[{"fixed":"8.21.0~rc2-1","introduced":"0"}],"component":"curl","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["8.21.0~rc2-1"],"id":"tcs_01M5NVWXETS05PKC3MWNK5S9EW","modified_at":"2026-10-14T08:00:11.191271893Z","published_at":"2026-07-03T07:16:24.453Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-8286","https://security-tracker.debian.org/tracker/CVE-2026-8286"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-8286#Debian:14/curl","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-8286"}],"summary":"A vulnerability exists where a new transfer that uses STARTTLS to upgrade the connection might reuse an existing live connection even though the TLS configuration mismatches so it should not."}