ssh-add in OpenSSH before 9.3 adds smartcard keys to ssh-agent without the intended per-hop destination constraints. The earliest affected version is 8.9.
[ { "events": [ { "introduced": "8.9" }, { "fixed": "9.3" } ] }, { "events": [ { "introduced": "0" }, { "fixed": "9.3" } ] } ]
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-28531.json"