{"action":"Upgrade pyopenssl to 26.0.0-1 or later.","affected":[{"fixed":"26.0.0-1","introduced":"0"}],"component":"pyopenssl","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["26.0.0-1"],"id":"tcs_01M5NREY61S3QTEP75NRBYEZQN","modified_at":"2026-10-01T03:03:01.324353095Z","published_at":"2026-03-18T00:16:19.107Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-27448","https://security-tracker.debian.org/tracker/CVE-2026-27448"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-27448#Debian:14/pyopenssl","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-27448"}],"summary":"pyOpenSSL is a Python wrapper around the OpenSSL library. Starting in version 0.14.0 and prior to version 26.0.0, if a user provided callback to `set_tlsext_servername_callback` raised an unhandled ex"}