{"action":"Upgrade php-phpseclib to 2.0.55-1 or later.","affected":[{"fixed":"2.0.55-1","introduced":"0"}],"component":"php-phpseclib","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.0.55-1"],"id":"tcs_01M5NT0E1TGD1FP6EYTY2G7KFC","modified_at":"2026-10-01T03:03:20.843218644Z","published_at":"2026-06-22T21:16:25.903Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-55599","https://security-tracker.debian.org/tracker/CVE-2026-55599"],"severity":{"label":"medium","score":5.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-55599#Debian:14/php-phpseclib","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-55599"}],"summary":"phpseclib is a PHP secure communications library. From 0.1.1 until 1.0.30, 2.0.55, and 3.0.54, when an application validates an untrusted X.509 certificate with phpseclib, X509::validateSignature() re"}